Amines Questions

We provide amines practice exercises, instructions, and a learning material that allows learners to study outside of the classroom. We focus on amines skills mastery so, below you will get all questions that are also asking in the competition exam beside that classroom.

List of amines Questions

Question No Questions Class
1 egest a route by which the following conversion can be accomplished.
-NH-CH3
NH2
12
2 Write the basicity order of the following.
( begin{array}{ll}text { сн }_{3}-c overbrace{C}^{mathscr{Y}}^{mathrm{NH}} & mathrm{cH}_{3}-mathrm{cH}_{2}-mathrm{NH}_{2} quadleft(mathrm{cH}_{3}right)_{2} mathrm{NH} \ & mathrm{NH}_{3}end{array} )
(I)
( A cdot(|)>(1)>(| 1)>(1 V) )
B. (I) > (III) > (II) > (IV)
( c cdot(| I)>(I)>(|)>(I V) )
D. (I) > (II) > (III) > (IV)
12
3 0. 64 How will you carry out the following conversion?
NH2
NO2
Br
12
4 Diazomethane was photolysed to
generate singlet carbine which was
treated with cis-2-butene. The main
product(s) of the reaction is/are:
A. cis-1, 2-dimethylcyclopropane
B. trans-1, 2-dimethylcyclopropane
c. mixture of ( (A) ) and ( (B) )
D. Ethylcyclopropane
12
5 ( boldsymbol{C H}_{3} boldsymbol{C H}_{2} boldsymbol{C l} stackrel{N a C N}{longrightarrow} boldsymbol{X} stackrel{boldsymbol{P t} / boldsymbol{H}_{2}}{longrightarrow} )
( boldsymbol{Y} frac{text {Acetic}}{text {anhydride}} boldsymbol{Z} )
In the above sequence, ( Z ) is:
A. ( C H_{3} C H_{2} C H_{2} N H C O C H_{3} )
в. ( C H_{3} C H_{2} C H_{2} N H_{2} )
c. ( C H_{3} C H_{2} C H_{2} C O N H C H_{3} )
D. ( C H_{3} C H_{2} C H_{2} C O N H C O C H_{3} )
12
6 ( boldsymbol{C a} boldsymbol{C}_{2} frac{boldsymbol{H y d r o l y s i s}}{boldsymbol{A}} boldsymbol{A} frac{boldsymbol{R e d} h_{o t}}{boldsymbol{C u} boldsymbol{t u b e}} )
( frac{boldsymbol{H} boldsymbol{N} boldsymbol{O}_{3}-boldsymbol{H}_{2} boldsymbol{S} boldsymbol{O}_{4}}{boldsymbol{5} boldsymbol{0}-boldsymbol{6} boldsymbol{0}^{0} boldsymbol{C}} boldsymbol{C} stackrel{boldsymbol{F} boldsymbol{e}+boldsymbol{H} boldsymbol{C l}}{longrightarrow} )
( boldsymbol{D} stackrel{boldsymbol{N a N O}_{2}+boldsymbol{H C l}, mathbf{0}^{0} boldsymbol{C}}{longrightarrow} boldsymbol{E} )
In the reaction sequence given above, ( boldsymbol{E} )
is:
A. aniline
B. benzene diazonium chloride
c. phenyl osazone
D. benzoyl chloride
12
7 The IUPAC name of isobutylamine is:
A. isopropyl methyl amine
B. isopropyl methanamine
c. 2 -methyl-1-propanamine
D. 2-methyl-3-propanamine
12
8 The IUPAC name of the compound is:
[
begin{array}{l}
C H_{2}-C H-C H_{2}-C H_{2} \
N_{2} quad C H_{3} quad quad_{N H_{2}}
end{array}
]
A. 2 – Methyl – butane – 1,4 – diamine
B. 3 – Methyl – butane – 1, 4 – diamine
C . 2 – Methyl – butane – 1, 3 – diamine
D. 2 – Methyl pentane – 1, 5 – diamine
12
9 Identify the highest soluble amine from the following.
A. Primary amine
B. Secondary amine.
c. Tertiary amine
D. none of these
12
10 ( boldsymbol{C H}_{3} boldsymbol{C H}_{2} boldsymbol{B r} stackrel{boldsymbol{a q} boldsymbol{K O H}}{rightarrow} boldsymbol{A} stackrel{boldsymbol{K M n O}_{4} / boldsymbol{H}^{+}}{rightarrow} )
( boldsymbol{B} frac{N boldsymbol{H}_{3}}{Delta} boldsymbol{C} frac{boldsymbol{B} boldsymbol{r}_{2}}{a l k a l i} boldsymbol{D} )
D is:
A ( cdot C H_{3} B r )
в. ( C H_{3} C O N H_{2} )
c. ( C H_{3} N H_{2} )
D. ( C H_{2} B r_{2} )
12
11 In nitroalkanes ( -N O_{2} ) group is
converted to ( -N H_{2} ) group by using the
reagent:
A. ( S n / H C l )
B. ( Z n ) dust
c. ( Z n / N H_{4} C l )
D. ( Z n / N a O H )
12
12 The reactivities of these ions in azo-
coupling reactions will be in the order:
( mathbf{A} cdot 3<1<4<2 )
В. ( 1<4<2<3 )
c. ( 1<2<3<4 )
D. ( 3<1<2<4 )
12
13 The IUPAC name of is :
[
mathrm{CH}_{3}-mathrm{CH}_{2}-mathrm{NH}-mathrm{CH}_{3}
]
A. Methyl ethyl amine
B. 1-methyl amino ethane
c. N-methyl ethanamine
D. N-ethyl ethanamine
12
14 Which compound is a secondary alcohol?
A. Butan-1-ol
B. Butan-2-ol
c. Isobutyl alcohol
D. 2-Methylpropan-2-ol
12
15 Give reasons:
Aliphatic amines are stronger bases
than ammonia.
12
16 Which of the following is a ( 3^{circ} ) amine?
A. Propan -2 – amine
B. N-Methyl ethanarnine
c. Allyl amine
D. ( N, N- ) Diethylbutan ( -1- ) amine
12
17 In case of substituted aniline the group
which decreases the basic strength is :
A. ( -O C H_{3} )
в. ( -C H_{3} )
( mathrm{c} cdot-N H_{2} )
D. ( -C_{6} H_{5} )
12
18 The IUPAC name is:
[
begin{array}{l}
C H=C H \
C H O N H_{2}
end{array}
]
A. 1- Amino prop – 2 – enal
B. 3-Amino prop – 2 – enal
c. ( 1- ) Amino -2 – formyl ethane
D. 3 – Amino -1 -oxo prop – 2 – ene
12
19 Acid anhydride on reaction with primary amine give:
A. Amide
B. Imide
c. Secondary amine
D. Imine
12
20 The boiling point of amines are higher than that of hydrocarbon because:
A. they form inter molecular H-bonds
B. they are polar
c. they form ionic bonds
D. both A and
12
21 In increasing order of boiling point :
( boldsymbol{C}_{2} boldsymbol{H}_{5} boldsymbol{O H}, quadleft(boldsymbol{C H}_{3}right)_{2} boldsymbol{N} boldsymbol{H}, quad boldsymbol{C}_{2} boldsymbol{H}_{5} boldsymbol{N} boldsymbol{H} )
12
22 Arrange the following in the decreasing order of solubility in water:
¡) ( boldsymbol{C}_{boldsymbol{6}} boldsymbol{H}_{boldsymbol{5}} boldsymbol{N} boldsymbol{H}_{boldsymbol{2}} )
ii) ( left(C_{2} H_{5}right)_{2} N H )
iii) ( boldsymbol{C}_{2} boldsymbol{H}_{5} boldsymbol{N} boldsymbol{H}_{2} )
A. i > ii > ii
( mathbf{c} . ) iii ( >mathbf{i}>mathrm{i} mathrm{i} )
D. iii >ii >
12
23 Hofmann’s bromamide reaction is to
convert:
A. acid to alcohol
B. alcohol to acid
c. amide to amine
D. amine to amide
12
24 Term tertiary, secondary and primary amine represents the:
A. number of amino groups
B. nature of C atom
c. degree of substitution on nitrogen
D. degree of uunsaturation
12
25 How many primary amines are possible
with the formula ( C_{4} H_{11} N ? )
A.
B. 2
( c cdot 3 )
D. 4
12
26 Which of the following is a heterocyclic amine?
A. Aniline
B. Piperidine
c. Benzylamine
D. None of these
12
27 toppr
Q Type your question
( A )
( B )
( c )
( D )
12
28 Q. 43 What is Hinsberg reagent?
1
.
12
29 In the given pair of compounds, in which
pair second compound has higher boiling point than first compound?
4
and
в. НО( – )СН( _{2}- )СН( _{2}- )ОН апа ( C )Нз( _{3}- )СН( _{2}- )ОН
( c )
and
( D )
and
12
30 Predict respectively’ ( X^{prime} ) and ( ^{prime} Y^{prime} ) in the
following reactions ( boldsymbol{A r}-boldsymbol{N} boldsymbol{H}_{2} stackrel{boldsymbol{X}}{longrightarrow} boldsymbol{A} boldsymbol{r}-dot{boldsymbol{N}} equiv )
( N . C l^{-} quad^{Y} quad A r-C l )
A. ( N a N O_{3} & C l_{2} )
в. ( N a N O_{3}-H C l & H C l )
c. ( N a N O_{2}-H C l & C u / H C l )
D. ( N a N O_{2}-H C l & N a N H_{2} )
12
31 When benzene diazonium chloride is
treated with cuprous chloride in ( boldsymbol{H} boldsymbol{C l} ) chlorobenzene is formed. This reaction
is called:
A. Perkin reaction
B. Hinsberg reaction
c. Gattermann reaction
D. Sandmeyer reaction
12
32 What are the products of the above
reaction?
( mathbf{A} cdotleft(C H_{3}right)_{2} C H-N Hleft(C H_{3}right) ) and ( C O )
B. ( left(C H_{3}right)_{2} C H-Nleft(C H_{3}right)_{2} ) and ( C O )
( mathbf{c} cdotleft(C H_{3}right)_{2} C H-N Hleft(C H_{3}right) ) and ( C O_{2} )
( mathrm{D} cdotleft(C H_{3}right)_{2} C H-Nleft(C H_{3}right)_{2} ) and ( C O_{2} )
12
33 Which of the following will not undergo diazotisation?
A. m-toluidine
B. Aniline
c. p-aminophenol
D. Benzyl amine
12
34 Which one of the following is aromatic amine?
( A )
B.
( c )
D. Both ( A ) and ( B )
12
35 Q.44 Why is benzene diazonium chloride not stored and is used immediately
after its preparation?
12
36 The colour of dye formed in the reaction between benzene diazonium chloride
and phenol is:
A . yellow
B. orange
c. purple
D. blue
12
37 Which of the following arylamines will not form a diazonium salt on reaction
with sodium nitrite in hydrochloric acid?
A. m-Ethylaniline
B. p-Aminoacetophenone
c. 4 -chloro-2-nitroaniline
D. N-Ethyl-2-methyaniline
12
38 Number of isomeric primary amines
obtained from ( C_{4} H_{11} N ) are :
( A cdot 3 )
B. 4
( c cdot 5 )
D.
12
39 Q Type your question
be :
( mathbf{A} )
B.
( c )
D.
12
40 Paino
ulsion between bulky group causes
roup causes difficulty in
Steric repulsion bet
Janarity of atomic orbital involved
vtent of resonance decreases and du
berties like basicity, acidity, bond le
hital involved in resonance. Due to
reases and due to this different
cidity, bond length and dipole
this extent of reso
properties like
moment changes.
16. Which is more basic?
Me Me
(a)
N
(b)
O
NH
MeMe
Me 1 Me
(c)
YY
U
(8) O
(d) NOVNO,
12
41 e compounds given in Column I with the items given in Column II.
Column!
Column II
Benzene sulphonyl chloride 1. Zwitter ion
Sulphanilic acid
2. Hinsberg reagent
Alkyl diazonium salts 3. Dyes
Aryl diazonium salts
Conversion to alcohols
B.
C.
D.
12
42 In the above given chemical reaction,
the compounds ( A ) and ( B ) respectively,
are :
A. Nitrobenzene and chlorobenzene
B. Nitrobenzene and fluorobenzene
c. Phenol and benzene
D. Benzene diazonium chloride and fluorobenzene
12
43 What is B? 12
44 Give plausible explanation for each of the following:
(i) Why are amines less acidic than alcohols of comparable molecular
masses?
(ii) Why do primary amines have higher boiling point than tertiary amines?
(iii) Why are aliphatic amines stronger bases than aromatic amines?
12
45 The solubility of diethyl ether in water is comparable with that of:
A. ethanamine
B. chlorobutane
c. 1-butanol
D. ethanol
12
46 22 Which of the following compound will not undergo azo coupling reaction
with benzene diazonium chloride?
(a) Aniline (b) Phenol (c) Anisole
(d) Nitrobenzene
12
47 Type of Hybridisation of ( N ) and ( C- )
( N-C ) bond angle in ( left(C H_{3}right)_{3} N ) are
and ( _{-}–_{-}- ) respectively
( mathbf{A} cdot s p^{3}, 108^{circ} )
B. ( s p^{2}, 120^{circ} )
c. ( s p^{3}, 109^{circ} 28^{prime} )
D. ( s p^{2}, 117.5^{circ} )
12
48 Compound ( A ) when reacted with ( P C l_{5} )
and then with ammonia gave ( boldsymbol{B} . boldsymbol{B} )
when treated with bromine and caustic
potash produced ( C . C ) on treatment
with ( H C l ) and ( N a N O_{2} ) at ( 0^{circ} C ) and then
on boiling produced ortho-cresol. Compound ( boldsymbol{A} ) is :
A . ( o ) -Toluic acid
B. ( o ) -Chlorotoluene
c. ( o ) -Bromotoluene
D. m-Toluic acid
12
49 If all the amines are represented by the
formula ( boldsymbol{R}-boldsymbol{N} boldsymbol{H}_{2}, ) the value of ( mathrm{R} ) in all
the amines is:
A ( cdot C_{3} H_{7} )
в. ( C_{4} H_{9} )
c. ( C_{5} H_{11}- )
D. ( C_{2} H_{5} )
12
50 Which of the following amino acid has
pH greater than ( 7 ? )
A. Glutamic acid
B. Lysine
c. Glycine
D. Alanine
12
51 Which of the following explode on heating?
A . Azides
B. Sulphates
c. chlorides
D. Phosphides
12
52 ( infty )
80
( frac{80}{00} )
900
12
53 The chemical name for melamine is:
A . 1,3,5 -Triamino- 2,4,6 -triazine
B. 1,3,5-Triazine-2,4,6-triamine
c. 2-Amino-1,3,5-triazine
D. 2,4-Diamino 1,3,5-triazine
12
54 Q. 38 What is the role of HNO, in the nitrating mixture used for nitration of
benzene?
the trophila Not on roosti
12
55 One word answer
Write the IUPAC name of
12
56 The correct order of ( K_{b} ) value of
following is:
( left(boldsymbol{C}_{2} boldsymbol{H}_{5}right)_{2} ddot{boldsymbol{N}} boldsymbol{H}, boldsymbol{N} boldsymbol{H}_{3}, ddot{boldsymbol{N}}left(boldsymbol{C}_{2} boldsymbol{H}_{5}right)_{3} )
( mathbf{A} cdot 1>2>3 )
В. ( 1>3>2 )
c. ( 3>2>1 )
D. ( 3>1>2 )
12
57 Q. 12 Hofmann bromamide degradation reaction is shown by …….
(a) ArNH2
(b) ArCONH2
(c) ArNO2
(d) ArCH NH2
12
58 Write structures of compounds ( A ) and ( B )
in each of the following reactions:
12
59 The structure given below represents:
[
mathrm{CH}_{3}-underbrace{mathrm{CH}_{3}}_{mathrm{CH}_{3}}-mathrm{NH}_{2}
]
A. quarternary ammonium Salt
B. primary amine.
c. secondary amine.
D. tertiary amine.
12
60 Which of the following reagent would you choose for the conversion shown below:
( boldsymbol{A} boldsymbol{r} boldsymbol{N}_{2}^{+} boldsymbol{C l}^{-} longrightarrow boldsymbol{A} boldsymbol{r} boldsymbol{F} )
A. only ( H B F_{4} )
в. ( H F )
( c cdot F_{2} )
D. ( H B F_{4} / )Heat
12
61 The reagent with which the following
reaction is best accomplished is:
( mathbf{A} cdot H_{3} P O_{2} )
В. ( H_{3} P O_{3} )
( mathbf{c} cdot H_{3} P O_{4} )
D. ( N a H S O_{3} )
12
62 Aniline is soluble in which of the
following organic reagents?
A. Benzene
B. Ether
c. Alcohol
D. All of above
12
63 The end product ( (Z) ) of the given
reaction is:
A. a cyanide
B. a carboxylic acid
c. an amine
D. an arene
12
64 Write the IUPAC name of the given
compound:
12
65 Whose IUPAC name ends with -amine?
A. ( R-O H )
в. ( R-O-R )
c. ( R-N H_{2} )
D. ( R-C O O-R )
E . ( R-C O-R )
12
66 The IUPAC name of the compound is:
[
mathrm{CH}_{3}-mathrm{CH}-mathrm{CH}-mathrm{CH}_{2} mathrm{NH}_{2}
]
A. 2,3 -dimethylbutan-4-amine
B. 2, 4- dimethylbutan-1-amine
c. 2,4 – dimethylbutan-4-amine
D. 2,3 – dimethylbutan-1-amine
12
67 amide is strongly
Q. 70 Assertion (A) N-ethylbenzene sulphonamide is soluble in alkali
Reason (R) Hydrogen attached to nitrogen in sulphonamide is
acidic.
Ans (Roth 200ortion
12
68 Mendius reaction involves the:
A. Reduction of aldehydes to give alcohols
B. Reduction of nitriles with sodium and ethanol
C. Oxidation of nitriles
D. Hydrolysis of cyanides
12
69 Of the following statements:
( (boldsymbol{P}) boldsymbol{C}_{6} boldsymbol{H}_{5} boldsymbol{N}=boldsymbol{C} boldsymbol{H}-boldsymbol{C}_{6} boldsymbol{H}_{5} ) is a
Schiff’s base.
( ( Q ) ) A dye is obtained by the reaction of
aniline and ( C_{6} H_{5} N^{+} equiv N C l )
( (R) C_{6} H_{5} C H_{2} N H_{2} ) on treatment with ( left[N a N O_{2}+H C lright] ) gives diazonium salt
( (S) p- ) Toluidine on treatment with
( left[H N O_{2}+H C lright] ) gives diazonium salt
A . only ( (P) ) and ( (Q) ) are correct
B. only (P) and (R) are correct
c. only ( (R) ) and ( (S) ) are correct
D. ( (P),(Q) ) and ( (S) ) are correct
12
70 Methyl cyanide on reaction with sodium
and ( C_{2} H_{5} O H ) forms:
A. ethyl amine
B. ethanoic acid
c. ethanimine
D. none of these
12
71 Question 11. Suggest a route by which the following conversion can be
accomplished.
NH–CH3
NH
12
72 The amine ‘A’ when treated with nitrous
acid gives yellow oily substance. The amine A is :
A. triethylamine
B. trimethylamine
c. aniline
D. methylphenylamine
12
73 Acetylation of a secondary amine in alkaline medium yields:
A. N, N – dialkylacetamide
B. N, N – dialkylamide
c. acetyl dialkylamide
D. none of these
12
74 Examine the following structures:
Which of the following statement is
correct:
( (A) C H_{3}-C-O H )
( (B) C H_{3}-C-N H_{2} )
(A) ( mathrm{CH}_{3}-frac{mathrm{CH}_{3}}{mathrm{C}}-mathrm{OH} )
(B) ( mathbf{C H}_{3}-underbrace{mathbf{C H}_{mathbf{3}}}_{mathbf{C H}_{mathbf{3}}}-mathbf{N H}_{mathbf{2}} )
A. ( A ) is tertiary alcohol while ( B ) is tertiary amine
B. ( A ) is primary alcohol while ( B ) is primary amine
C. ( A ) is tertiary alcohol while ( B ) is primary amine
D. ( A ) is primary alcohol while ( B ) is tertiary amine
12
75 Diphenyl hydrazine is same as:
A. azoxybenzene
B. azobenzene
c. hydrazobenzene
D. aniline
12
76 Question 10. Complete the following reaction.
ОН
ArN, Cl”
ОН-
12
77 Identify the products.
[
mathrm{NaBH}_{4} quad mathrm{Me}-mathrm{CONH}_{2} quad mathrm{LiAlH}_{4}
]
12
78 Q. 54 A primary amine, RNH, can be reacted with CH3-X to get secondary
amine, R-NHCH, but the only disadvantage is that 3° amine and
quaternary ammonium salts are also obtained as side products. Can you
suggest a method where RNH, forms only 20 amine?
KOH/CHCI 3 PNC Hp PdNUCU
PNL
12
79 Which of the following statement(s)
is/are correct?
This question has multiple correct options
A. Primary amines show intermolecular hydrogen bonding
B. Secondary amines intermolecular hydrogen bonding.
C. Tertiary amines show intermolecular hydrogen bonding
D. Amines have lower boiling points as compared to those of alcohols and carboxylic acid of comparable molar masses.
12
80 In the reduction of nitriles to prepare
primary amine:
A. ( L i A l H_{4} ) is used.
B. ( N a B H_{4} ) is used.
c. ( S n / H C l ) is used.
D. none of these
12
81 Which of the following amides will give ethylamine on reaction with sodium hypobromide?
A. Butanamide
B. Propanamide
c. Acetamide
D. Benzamide
12
82 Its basic strength is ( 10^{10} ) more than 1
dimethyl amino naphthalene due to:
A. resonance
B. steric inhibitation of resonance
c. ortho effect
D. hyperconjugation
12
83 Among ( left(C H_{3}right)_{3} N ) and ( C H_{3} N H_{2}, ) amine
with ( _{text {一一一一一一一一 }} ) methyl groups attached has the higher boiling point.
12
84 The IUPAC name of this given compound
is :
A. pentyl amine
B. methyl-n-propyl amine
( c . ) diethyl amine
D. Pentan-2-amine
12
85 ( C_{3} H_{9} N ) cannot represent:
A ( cdot 1^{0} ) amine
B . ( 2^{0} ) amine
( mathbf{c} cdot 3^{0} ) amine
D. quaternary salt
12
86 Assertion ( P h N_{2} B r^{ominus} ) on reaction with ( N a O H )
gives benzene diazohydroxide.
Reason
( theta )
( O H ) is a strong nucleophile, attacks the terminal ( mathrm{N} ) atom, and forms a covalent
bond.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
12
87 12. Toluene is nitrated and the resulting product is reduced
with tin and hydrochloric acid. The product so obtained
is diazotized and then heated with cuprous bromide. The
reaction mixture so formed contains:
(a) mixture of o- and p-bromotoluenes
(b) mixture of o- and p-dibromobenzenes
(c) mixture of o- and p-bromoanilines
(d) mixture of o- and m-bromotoluenes(AIEEE 2008)
12
88 0.42 Give the structure of ‘A’ in the following reaction.
CH3
A
(0) NaNO2 + HCI, 273-278 K
(1) H3PO2, H20
NO2
»
NH2
12
89 Question 3. Give the structure of ‘A’ in the following reaction.
CH3
TA
(i) NaNO2 + HCI, 273-278 K
(i) H2PO2, H2O
“NO₂
NH2
12
90 What is ( Z ) in the following reaction sequence? ( C_{6} H_{5} N H_{2} frac{(i) N a N O_{2}+H C l / 27}{(i i) H_{3} P O_{2}+H_{2} O(i i i) C O, H C l ; a n h y} )
( Z )
A. ( C_{6} H_{5} C O_{2} H )
в. ( C_{6} H_{5} O H )
c. ( C_{6} H_{5} C H O )
D. ( C_{6} H_{6} )
12
91 Why diazonium salts do not show
positive Lassaigne’s test for nitrogen?
12
92 Which of the following bond angles are
correct?
A. Ammonia : 107 ( ^{circ} ); methylamine : ( 108^{circ} )
B. Ammonia : ( 108^{circ} ); methylamine : 107 ( ^{circ} )
C. Ammonia : 107 ( ^{circ} ); methylamine : ( 110^{circ} )
D. Ammonia : ( 110^{circ} ); methylamine : 105 ( ^{circ} )
12
93 Complete reduction of benzene-
diazonium chloride with ( Z n / H C l )
gives:
A. azobenzene
B. phenylhydrazine
c. hydrazobenzene
D. aniline
12
94 Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotized and heated with
cuprous bromide. The reaction mixture
formed contains:
A. Mixture of o- and p- bromoanilines
B. Mixture of o- and m- bromotoluenes
c. Mixture of o- and p- bromotoluenes
D. Mixture of o- and p- dibromobenzenes
12
95 Which of the following are the incorrect
orders of basic character?
( A )
B.
( c )
( D )
12
96 How would you convert?
Aniline to chlorobenzene
12
97 Gabriel phthalimide reaction is used for the preparation of :
A. Primary aromatic amines
B. Secondary amines
c. Primary aliphatic amines
D. Tertiary amines
12
98 Compound (D) is:
( mathbf{A} cdot C H_{3}-underset{C H_{3}}{C H}-C_{D H_{3}}-C H_{2} O H )
( mathbf{B} )
[
C H_{3}-underset{_{C H_{3}}^{mathrm{I}}}{C}-C H_{2} C H_{2} O H
]
( mathbf{c} . C H_{3}-C H-C H_{2}-C H O H )
( _{C H_{3}} )
12
99 Q. 65 How will you carry out the following conversions:
NH2
NH2
NO2
NO2
Bry
12
100 The reaction of the benzyl chloride with sodium cyanide followed by reduction with hydrogen in the presence of nickel gives:
A. ( beta ) -phenyl ethylamine
B. N-isobutylaniline
c. benzyl amine
D. aniline
12
101 Ethylamine is?
A. ( C H_{3}-C H_{2}-C H_{3} )
в. ( C H_{3}-underset{O}{|}-O H )
c. ( C H_{3}-O-C_{3} H_{7} )
D. ( C H_{3}-C-C H_{3} )
I
O
E ( cdot C H_{3}-C H_{2}-N H_{2} )
12
102 Acetamide is treated separately with
following reagents. Which one of these
would give methylamine?
A ( cdot P C l_{5} )
B. Sodalime
c. ( N a O H+B r_{2} )
D. Hot concentrated ( H_{2} S O_{4} )
12
103 Which of the following is a ( 1^{circ} ) amine?
A ( cdotleft(C H_{3}right)_{3} C N H_{2} )
в. ( C_{6} H_{5} N H C H_{3} )
( mathbf{c} cdot_{C H_{3} N H C H}left(C H_{3}right)_{2} )
D. ( left(C H_{3} C H_{2}right)_{2} N C H_{3} )
12
104 ( boldsymbol{C H}_{3} )
( boldsymbol{C H}_{3}-dot{boldsymbol{N}}-boldsymbol{C H}_{3} ) the IUPAC name is:
A. Trimethyl amine
B. 2-methyl ethanamine
c. N,N-Dimethylmethanamine
D. Trimethyl ammonia
12
105 When chloroform reacts with
ethylamine in presence of alc. ( boldsymbol{K O H} ) the compound formed is:
A . ethyl cyanide
B. ethyl isocyanide
c. formic acid
D. phosgene
12
106 Explain the following reactions:
(i) Diazotization
(ii) Carbylamine reaction
12
107 Write the name of following compounds:
( (mathrm{A}) C_{6} H_{5} N_{2}^{oplus} H S O_{4}^{ominus} )
(B) Ref. image
[
langle 0rangle-mathrm{N}=mathrm{N}-sqrt{bigcirc}rangle-mathrm{o} mathrm{H}
]
12
108 Classify the given amines a primary, secondary or tertiary:
( mathrm{c}, mathrm{H}_{2}, mathrm{CHNH}_{2} quad ) (iv ( mathrm{CC}, mathrm{H}_{2}, mathrm{N} )
12
109 Question 12. Why cannot aromatic primary amines be prepared by
Gabriel phthalimide synthesis?
Gabriel phthalimide synthesis involves breaking of C-X where, X is
halogen) bond and in aromatic halides C-X bond acquires double bond
character.
12
110 (СОдоос
Question 13. How will you obtain monobromobenzene from aniline?
Solar
12
111 Write the IUPAC name of the compound.
[
begin{array}{c}
boldsymbol{C H}_{3}-boldsymbol{C H}-boldsymbol{C H}_{2}-boldsymbol{C H O} \
boldsymbol{N H}_{2}
end{array}
]
12
112 0.3 Identify the compound Y in the following reaction.
NH3
Na NO2+HO!
273-278 K
Cu Ch2Y+Nz
banded in cold que US mineral
12
113 Q. 48 Under what reaction condition (acidic, basic) the coupling reaction of
aryl diazonium chloride with aniline is carried out?
12
114 Which of the following is a secondary amine?
A. Dimethylamine
B. Aniline
c. Isobutylamine
D. Secondary butyl amine
12
115 How is ethyl amine prepared from methyl iodide? 12
116 The correct decreasing order of basic strength of the following species is:
( boldsymbol{H}_{2} boldsymbol{O}, boldsymbol{N} boldsymbol{H}_{3}, boldsymbol{O} boldsymbol{H}^{-}, boldsymbol{N} boldsymbol{H}_{2} )
( mathbf{A} cdot N H_{2}^{-}>O H^{-}>N H_{3}>H_{2} O )
в. ( O H^{-}>N H_{2}^{-}>H_{2} O>N H_{3} )
C. ( N H_{3}>H_{2} O>N H_{2}^{-}>O H^{-} )
D. ( H_{2} O>N H_{3}>O H^{-}>N H_{2}^{-} )
12
117 In the given replacement reaction, the reaction will be most favourable if ( boldsymbol{M} )
happens to be:
( mathbf{A} cdot K )
в. ( R b )
c. ( L i )
D. Na
12
118 Raschig’s process is employed for the commercial preparation of
A. ethyl chloride
B. grignard’s reagent
c. hydroxylamine
D. ethanol
12
119 Q.55 Complete the following reaction.
ОН
ONTOT 8 515
ArNaci
OH-
me The
12
120 Questions 24. In what respect do prontosil and salvarsan resemble. Is
there any resemblance between azo dye and prontosil? Explain.
12
121 0.30 Which of the following species are involved in the carbylamine test?
(a) R-NC (b) CHCI (c) COCI, (d) NaNO2 + HCI
Ane to
12
122 NMe3
HO
98.
A
A
(Major)
Major product A is:
12
123 59. Which of the following is not a chromophore?
(a) -NEN-
(b) –NO
(c) -NO2
(d) -NH, (UP CA
12
124 Reaction at ( 0-5^{0} C ) between aniline,
( N a N O_{2} ) and HCl is known
as
A. Suphonation of benzene
B. Acylation of aniline
C . Alkylation of aniline
D. Diazotisation
12
125 Reaction for the preparation of ( 1^{0} ) amine
is:
A. Hinsberg reaction
B. Hoffman mustard oil reaction
c. Hoffman bromamide reaction
D. Liberman nitroso reaction
12
126 Give the IUPAC names of the given amine:
ii) ( mathrm{CH}_{3}-mathrm{NH}-mathrm{CH}-mathrm{CH}_{2}-mathrm{CH}-mathrm{CH} )
12
127 The shape of ( left(C H_{3}right)_{3} N ) is pyramidal
because:
A. nitrogen forms three ( s p^{3} ) hybridised ( sigma ) bonds with carbon atoms of methyl groups and there is one nonbonding electron pair
B. nitrogen forms three ( s p^{2} ) hybridised ( sigma ) bonds with carbon atoms of methyl groups and fourth orbital forms ( pi ) bond
C. nitrogen has five valencies which are arranged in pyramidal shape
D. the unpaired electron present on nitrogen is delocalised
12
128 Account for the following.
( mathrm{p} K_{a} ) value of 4 -nitrobenzoic acid is
lower than that of benzoic acid.
12
129 Question 6. What is the structure and IUPAC name of the compound,
allyl amine?
12
130 ven set of reactants, the most appropriate for preparing
0.9 Amongst the given set of reactants, the me
2º amine is.
(a) 2 R-Br + NH3
(b) 2 R-Br + NaCN followed by H2 / Pt
(C) 1 R-NH, +RCHO followed by H27Pt
-Br(2 mol) + potassium phthalimide followed by H,07 heat
12
131 mongst the following, the strongest base in aqueous medium is ………
(a) CH3NH2
(b) NCCH NH2
(c) (CH3)2NH
(d) C6H5NHCH;
Thinking Process
12
132 Amongst the following, the strongest base in aqueous medium is
A ( cdot C H_{3} N H_{2} )
в. ( N C C H_{2} N H_{2} )
c. ( left(C H_{3}right)_{2} N H )
D. ( C_{6} H_{5} N H C H_{3} )
12
133 Chlorobenzene can be prepared by
reacting aniline with:
A ( . ) Hydrochloric acid ( (H C l) )
B. Cuprous chloride ( left(C u_{2} C l_{2}right) )
C. Chlorine in the presence of anhydrous aluminium chloric
D. Nitrous acid followed by heating with cuprous chloride(c
12
134 0.18 The com
correct increasing order of basic strength for the following compounds
NH2
NH2
NH2
NO2
CH3
(a) II < III <1
(b) III < I< II
(c) III < ll<1
(d) ll<i < III
hatronathifollow
12
135 .. 8 The source of nitrogen in Gabriel synthesis of amines is ……….
(a) sodium azide, NaN3
(b) sodium nitrite, NaNO2
(c) potassium cyanide, KCN (d) potassium phthalimide C.H.(CONK*
12
136 g. 39 wny 1s NHą group of aniline acetylated before carrying out nitration! 12
137 What product is formed on heating two molecules of urea?
A. Uric Acid
B. Biuret
c. Nitrogen
D. carbon dioxide
12
138 The IUPAC name of dimethyl sec.butylamine is:
A. 2-amino-3-methyl butane
B. 2(N-methyl amino) butane
c. N,N-dimethyl-butan-2-amine
D. 2-(N,N-dimethyl amino) propane
12
139 000
000
000
000
00
12
140 Primary amine ( left(boldsymbol{R} boldsymbol{N} boldsymbol{H}_{2}right) ) reacts with nitrous acid to give :
A ( cdot R N H_{3}^{+} N O_{2} )
в. RОН
c. ROR
D. None of these
12
141 The correct IUPAC name of the following compound is:
( boldsymbol{C H}_{3}-boldsymbol{C H}_{2}-boldsymbol{C O}-boldsymbol{N H}-boldsymbol{C H}_{3} )
A. ( N ) – ethyl ethanamide
B. N – methyl ethanamide
c. N – Methyl propanamide
D. N – ethyl methanamide
12
142 The compound ( l-(N-text {ethyl}-N- )
methyl ( )- ) propanamine forms non-
superimposable mirror images. But this compound does not show optical activity because of the:
A. Absence of a chiral N atom
B. Presence of chiral N atom
c. Presence of lone pair on ( mathrm{N} ) atom
D. Rapid flipping of one form into the other
12
143 Which one of the following is ethyl – 4
(dimethyl amino) butanoate?
( A )
B.
( c )
D.
12
144 The best method for preparing primary amines from alkyl halides without
changing the number of carbon atoms in the chain is:
A. Hofmann bromamide reaction
B. Gabriel phthalimide synthesis
c. sandmeyer reaction
D. Reaction with ( N H_{3} )
12
145 Which of the following aryl amine undergoes diazotization most readily?
( A )
B.
( c )
( D )
12
146 In the reaction sequence:
( boldsymbol{A} frac{boldsymbol{S n C l}_{2} / boldsymbol{H C l}}{longrightarrow} boldsymbol{B} frac{N boldsymbol{a} N boldsymbol{O}_{2} / boldsymbol{H} C l}{boldsymbol{0}^{o}} boldsymbol{C} stackrel{boldsymbol{H}_{2} boldsymbol{O} / boldsymbol{Delta}}{longrightarrow} )
( boldsymbol{C}_{6} boldsymbol{H}_{5} boldsymbol{O} boldsymbol{H}, boldsymbol{A}, boldsymbol{B}, boldsymbol{C} ) are:
A. benzene, nitrobenzene, aniline
B. nitrobenzene, aniline, and azo-compound
c. nitrobenzene, benzene, aniline
D. benzene, amino compound, aniline
12
147 Which statements are correct about the
reaction?
[
mathbf{R}-|^{*}_{mathbf{M e}}^{mathbf{O}} underbrace{mathbf{D}}_{mathbf{O}} ddot{mathbf{N}} mathbf{H}_{2} frac{mathbf{B r}_{2}+stackrel{Theta}{mathbf{O H}}}{Delta} begin{array}{c}
text { Mixture of } \
mathbf{1}^{circ} text { amines }
end{array}
]
This question has multiple correct options
A. A mixture of two amines is formed, which suggests that rearrangement is intramolecular
B. If ( R ) is chiral, it migrates with retention of configuration.
( c )
[
left[begin{array}{c}
0 \
R-C \
| \
dot{N}
end{array}right]
]
A mixture of four different amines is formed, which suggests that a free acyl nitrene (diag) intermediate is formed.
D. A mixture of two different amines and a free acyl nitrene intermediate is formed.
12
148 ( sum_{i=1}^{2} ) 12
149 Identify the products.
[
mathbf{X}^{mathrm{NaBH}_{4}} text { ме }-text { СОМН }-text { Ме } frac{mathrm{Li} mathrm{AlH}_{4}}{mathbf{}}
]
12
150 Which of the following will be most stable diazonium salt ( boldsymbol{R} boldsymbol{N}_{2}^{+} boldsymbol{X}^{-} ? )
A ( cdot C H_{3} N_{2}^{+} X^{-} )
B . ( C_{6} H_{5} N_{2}^{+} X^{-} )
( mathrm{c} cdot mathrm{CH}_{3} mathrm{CH}_{2} mathrm{N}_{2}^{+} mathrm{X}^{-} )
D. ( C_{6} H_{5} C H_{2} N_{2}^{+} X^{-} )
12
151 ( frac{8}{8} ) 12
152 Question 4. What is the role of pyridine in the acylation reaction of
amines?
12
153 A dichloroderivative ( (A) ) on treating
with ( K C N ) followed by acid hydrolysis and heating gives a monobasic acid
( (B) ) along with liberation of ( C O_{2}(B) ) on heating with liquid ammonia followed
by treating with ( B r_{2} / K O H ) gives ( (C) )
which on treating with ( N a N O_{2} ) and
( H C l ) at low temperature followed by
oxidation gives a monobasic acid ( (D) ) having molecular mass ( 74 . C ) in the
whole process would be:
A. ethyl amine
B. propyl amine
c. tert-butyl amine
D. cyclopentyl amine.
12
154 Compound ( (X) ) is:
( A )
B.
( c )
D.
12
155 The correct order of basicity of the following amines is:
A ( . I>I I>I I I>I V )
В. ( I>I I I>I I>I V )
c. ( I I I>I I>I>I V )
D. ( I V>I I I>I I>I )
12
156 The following reaction is known by the
name:
A. Acetylation reaction
B. Schotten-Baumen reaction
c. Friedel-craft’s reaction
D. Perkin’s reaction
12
157 Carbylamine reaction is given by:
A . aliphatic ( 1^{circ} ) amines only
B. aromatic ( 1^{circ} ) amines only
C. both aliphatic and aromatic primary amines
D. all secondary amines and diazonium salts
12
158 Which of the following cannot be prepared by Gabriel phthalimide synthesis?
A. Aliphatic primary amines
B. Aromatic primary amines
c. cyclic primary amines
D. None of the above
12
159 Alkyl isocyanides ( left(R N oplus equiv C^{ominus}right) ) are
reduced to ( 2^{circ} ) amines ( left(R-N H-C H_{3}right. )
with:
( mathbf{A} cdot L A H )
в. ( N a B H_{4} )
c. ( H I+P )
D. ( H_{2} / P t )
12
160 The increasing order of basic strength for the following compounds is:
(।) ( boldsymbol{C} boldsymbol{H}_{3}-boldsymbol{C} boldsymbol{H}_{2}-boldsymbol{N} boldsymbol{H}_{2} )
(II) ( boldsymbol{C H}_{3}-boldsymbol{N} boldsymbol{H}-boldsymbol{C H}_{3} )
(III) ( boldsymbol{C H}_{3}-boldsymbol{N} boldsymbol{H}-boldsymbol{P h} )
( (mathrm{IV}) boldsymbol{C} boldsymbol{H}_{3}-boldsymbol{N} boldsymbol{H}-boldsymbol{C} boldsymbol{H} boldsymbol{O} )
A. ( I V<I I II I )
в. ( I I I<I VI I )
c. ( I V<I I II )
D. ( I I<II V )
12
161 Which of the following method(s) does work for the preparation of secondary amine?
A ( cdot R_{3} N frac{(i) B r-C N}{(i i) H_{3} O^{+}} ? )
( (i i i) Delta )
c. ( R N C frac{N l / H_{2}}{Delta} ? )
D. All of these
12
162 Benzene diazonium chloride on reaction
with phenol in weakly basic medium gives:
A. diphenyl ether
B. p-hydroxy azobenzene
c. chlorobenzene
D. benzene
12
163 Iso-propyl amine is a:
A. primary amine
B. secondary amine
C . teritary amine
D. quaternary amine
12
164 Q. 62 How will you bring out the following conversion?
NO2
NO2
BrBr
.
Br
NH2
p-nitroanlline
3,4,5-tribromonitrobenzene
12
165 How primary amine is prepared by Hoffmann bromamide degradation reaction? Write equation. 12
166 0.35 Which of the following reactions are correct?
Н

CI+ 2NH3-
NH2 + NH4CI
caq Koh,
-C
alc. KOH
(d) ~
NH2 + HNO2 0°C,
OH
12
167 How many primary amines can be
formulated by ( C_{3} H_{9} N ) and how many
( 1^{circ} ) hydrogen are associated with carbon
atoms of each compound?
A. Two primary amines [3,6]
B. One primary amine [3]
c. Three primary amines [3,6,6
D. Two primary amines [5,6
12
168 The correct order of boiling points of the
following isomeric amines is:
( boldsymbol{C}_{mathbf{4}} boldsymbol{H}_{mathbf{9}} boldsymbol{N} boldsymbol{H}_{mathbf{2}} cdotleft(boldsymbol{C}_{mathbf{2}} boldsymbol{H}_{mathbf{5}}right)_{mathbf{2}} boldsymbol{N} boldsymbol{H}, boldsymbol{C}_{mathbf{2}} boldsymbol{H}_{mathbf{5}} boldsymbol{N}left(boldsymbol{C} boldsymbol{H}_{mathbf{3}}right. )
( mathbf{A} cdot C_{2} H_{5} Nleft(C H_{3}right)_{2}>left(C_{2} H_{5}right)_{2} N H>C_{4} H_{9} N H_{2} )
( mathbf{B} cdotleft(C_{2} H_{5}right)_{2} N H>C_{2} H_{5} Nleft(C H_{3}right)_{2}>C_{4} H_{9} N H_{2} )
( mathbf{c} cdot C_{4} H_{9} N H_{2}>left(C_{2} H_{5}right)_{2} N H>C_{2} H_{5} Nleft(C H_{3}right)_{2} )
D. ( left(C_{2} H_{5}right)_{2} N H>C_{4} H_{9} N H_{2}>C_{2} H_{5} Nleft(C H_{3}right)_{2} )
12
169 OPPO POWO
method for preparing primary amines from alkyl halides without
changing the number of carbon atoms in the chain is
(a) Hofmann bromamide reaction (b) Gabriel phthalimide synthesis
(c) Sandmeyer reaction
(d) reaction with NH3
12
170 In the reaction series:
( boldsymbol{C}_{boldsymbol{6}} boldsymbol{H}_{boldsymbol{5}} boldsymbol{C l} frac{boldsymbol{N H}_{boldsymbol{3}}}{boldsymbol{C u _ { 2 } boldsymbol { O } , mathbf { 2 0 0 } ^ { boldsymbol { o } } boldsymbol { C }}} boldsymbol{X} ; boldsymbol{X} frac{boldsymbol{H} boldsymbol{N O}_{2}}{boldsymbol{0}-boldsymbol{5}^{0} boldsymbol{C}} )
( Z ; X+Z rightarrow A, ) the number of ( sigma ) and ( pi )
bonds in ( A ) are:
( mathbf{A} cdot 25 sigma ) and ( 6 pi )
B . 25 ( sigma ) and ( 7 pi )
c. ( 27 sigma ) and ( 7 pi )
D. ( 27 sigma ) and ( 6 pi )
12
171 Udiye uye)
0.56 Why is aniline soluble in aqueous HCL?
Ans. Aniline is soluble in aqueous HCI due to formation of ionic anilinium chloride.
-NH₂
– NH, CÓ
HCI (aq)
Aniline
(colourless, liquid,
insoluble in water)
Anilinium chloride
(soluble in water)
walioton S
O
O
N
12
172 The most basic amine among the following is:
A . ( p ) – toluidine
B. ( o ) – nitroaniline
c. ( p ) – nitroaniline
D. ( 2,4- ) dinitroaniline
12
173 The correct order of increasing basic nature of the following bases is:
A. ( 2<5<1<3<4 )
В. ( 5<2<1<3<4 )
c. ( 2<5<1<4<3 )
D. ( 5<2<1<4<3 )
12
174 Which of the following is a Sandmeyer
reaction?
( mathbf{A} cdot 2 C_{6} H_{5} C l frac{C u_{2} C l_{2} / H C l}{longrightarrow} C_{6} H_{6}+C l_{2} )
( mathbf{B} cdot C_{6} H_{5} N_{2} C l frac{C u_{2} C l_{2} / H C l}{longrightarrow} C_{6} H_{5} C l+N_{2} )
( mathbf{c} cdot C_{6} H_{5} O H frac{Z n d u s t}{longrightarrow} C_{6} H_{6}+Z n O )
( mathbf{D} cdot C_{6} H_{5} N O_{2}+6[H] stackrel{S n / H C l}{longrightarrow} C_{6} H_{5} N H_{2}+2 H_{2} O )
12
175 The best reagent for converting, 2 phenylpropanamide into 1 phenylethanamine is:
A ( cdot operatorname{excess} H_{2} / P t )
в. ( N a O H / B r_{2} )
c. ( N a B H_{4} / ) methanol
D. ( L i A l H_{4} / ) ether
12
176 Which of the following statements are
correct?
This question has multiple correct options
A. In gas phase, the basic character of amine is ( 3>2>1 )
Due to the +1effect of (R-), the availability of ( L P e^{-^{prime}} s ) on N increases.
B. In aqueous medium, the basic character of amines is ( M e_{2} N H>M e_{3} N>M e N H_{2}>N H_{3} )
C. In aqueous medium, the addition of protons increases crowding and thus strains setup, which being the highest in 3 amine decreases its basic character.
D. In aqueous medium, the ammonium ions in solution are stabilised not only by alkyl groups but also by ( mathrm{H}- ) bond donation to the solvent.
12
177 Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines.
(i) ( left(boldsymbol{C} boldsymbol{H}_{3}right)_{2} boldsymbol{C} boldsymbol{H} boldsymbol{N} boldsymbol{H}_{2} )
( boldsymbol{C H}_{3}left(boldsymbol{C H}_{2}right)_{2} boldsymbol{N} boldsymbol{H}_{2} )
( left(text { iii) } C H_{3} N H C Hleft(C H_{3}right)_{2}right. )
( left(boldsymbol{C} boldsymbol{H}_{3}right)_{3} boldsymbol{C} boldsymbol{N} boldsymbol{H}_{2} )
( (v) C_{6} H_{5} N H C H_{3} )
( left(boldsymbol{C} boldsymbol{H}_{3} boldsymbol{C} boldsymbol{H}_{2}right)_{2} boldsymbol{N} boldsymbol{C} boldsymbol{H}_{3} )
( (v i i) m-B r C_{6} H_{4} N H_{2} )
12
178 When aniline reacts with excess of alkyl
halide, it gives:
A. amino compound
B. tertiary compound
c. azomethane
D. quaternary ammonium compound
12
179 Benzenediazonium chloride on
treatment with water gives:
A. Benzene
B. o-chlorophenol
c. Anisole
D. Pheno
12
180 Indicate the following compound as
( 1^{circ}, 2^{circ} ) and ( 3^{circ} )
( boldsymbol{E} boldsymbol{t}_{3} boldsymbol{N} )
( mathbf{A} cdot 1^{circ} )
B. ( 2^{circ} )
( c cdot 3^{circ} )
D. Non of the above
12
181 (i) Write IUPAC name of ( boldsymbol{C H}_{3} boldsymbol{C H}_{2} boldsymbol{N H}_{2} )
(ii) Arrange the following amines in the order of their increasing basic strength in aqueous solution.
( left(boldsymbol{C} boldsymbol{H}_{3}right)_{3} boldsymbol{N}_{1}left(boldsymbol{C} boldsymbol{H}_{3}right)_{2} boldsymbol{N} boldsymbol{H}_{1} boldsymbol{C} boldsymbol{H}_{3} boldsymbol{N} boldsymbol{H}_{2} )
12
182 2 12
183 IUPAC name of the compound
( left(boldsymbol{C}_{2} boldsymbol{H}_{5}right)_{2} boldsymbol{N} boldsymbol{C} boldsymbol{H}_{3} ) is:
A. 2, 2-diethylmethanamine
B. ( N, N ) – diethylmethanamine
c. ( N ) -ethyl- ( N ) -methylethanamine
D. ( N ) -methylbutanamine
12
184 Why can aromatic primary amines not be prepared by Gabriel phthalimide synthesis? 12
185 b loom
.52 Write down the IUPAC name of
N(CH2)
12
186 What is the order of basicity of the
following compounds?
( boldsymbol{C H}_{3} boldsymbol{N} boldsymbol{H}_{2},left(boldsymbol{C H}_{3}right)_{2} boldsymbol{N} boldsymbol{H},left(boldsymbol{C H}_{3}right)_{3} boldsymbol{N} ) (in
protic solvent)
A ( cdotleft(C H_{3}right)_{2} N H>C H_{3} N H_{2}>left(C H_{3}right)_{3} N )
B . ( left(C H_{3}right)_{2} N H<C H_{3} N H_{2}left(C H_{3}right)_{3}>C H_{3} N H_{2} N )
D. None of these
12
187 The reduction of acetamide gives:
A. ( C H_{3} C H_{2} N H_{2} )
в. ( left(C H_{3}right)_{2} C H N H_{2} )
( mathbf{c} cdotleft(C H_{3}right)_{3} C N H_{2} )
D. ( left(C H_{3} C H_{2}right)_{2} N H )
12
188 Question 9. A primary amine. RNH, can be reacted with CH3-X to
get secondary amine, R-NHCH, but the only disadvantage is that 39
amine and quaternary ammonium salts are also obtained as side products.
Can you suggest a method where RNH, forms only 2º amine?
12
189 Which of the following orders is correct regarding the basicity of aliphatic amines?
A ( cdot C H_{3} N H_{2}>left(C H_{3}right)_{2} N H>left(C H_{3}right)_{3} N )
B . ( C H_{3} N H_{2}<left(C H_{3}right)_{2} N Hleft(C H_{3}right)_{2} N H<left(C H_{3}right)_{3} N )
D. ( C H_{3} N H_{2}left(C H_{3}right)_{3} N )
12
190 In order of prepare fluorobenzene from
benzene diazonium chloride, which of
the folowing reagents is used?
A. Fluorine
в. ( H F )
c. Hydrofluorosilic acid
D. Fluoroboric acid
12
191 Predict the product
( boldsymbol{C H}_{3}-boldsymbol{C H}_{2}-boldsymbol{C N}+boldsymbol{H}_{2} / boldsymbol{N i} rightarrow ? )
A ( cdot C H_{3}-C H_{2}-C H_{2}-N H_{2} )
в. ( C H_{3}-C H_{2}-N H_{2} )
( c . ) both a and ( b )
D. none of these
12
192 Which of the following is a secondary amine?
A. Aniline
B. Diphenyl amine
c. sec. butyl amine
D. Tert. butyl amine
12
193 The correct IUPAC name for ( boldsymbol{C H}_{2}= )
( boldsymbol{C H C H}_{2} boldsymbol{N H C H}_{3} ) is:
A. allylmethylamine
B. 2-amino-4-pentene
c. 4 -aminopent- – ene
D. N-methylprop-2-en-1-amine.
12
194 The strongest base among the following
is:
A. ( C_{6} H_{5} N H_{2} )
B . ( p-N H_{2} C_{6} H_{4} N H_{2} )
( mathrm{c} cdot m-N O_{2} C_{6} H_{4} N H_{2} )
D. ( C_{6} H_{5} C H_{2} N H_{2} )
12
195 Q. 29 Reduction of nitrobenzene by which of the following reagent gives
aniline?
(a) Sn/HCI (b) Fe/HCI (c) H2 – Pd (d) Sn/NH,OH
12
196 IUPAC name of, ( boldsymbol{H}_{mathbf{2}} boldsymbol{N}-boldsymbol{C} boldsymbol{H}_{mathbf{2}}-boldsymbol{C} boldsymbol{H}_{2}- )
( boldsymbol{C H}_{3} ) is:
A. propan-1-amine
B. propanamine-1,2
c. dipropane-1,2-amine
D. diamino-1, 2-propane
12
197 Q. 1 Which of the following is a 3º amine?
(a) 1-methylcyctohexylamine
(b) Triethylamine
(c) tert-butylamine
(d) N-methylaniline
12
198 Structure containing an amine group is
( mathbf{A} cdot C H_{3}-C H_{2}-C H_{3} )
в. ( C H_{3}-underset{O}{|}-O H )
c. ( C H_{3}-O-C_{3} H_{7} )
E . ( C H_{3}-C H_{2}-N H_{2} )
12
199 Which product can not be formed in
given reaction?
( A )
B.
( c )
( D )
12
200 What are amines? 12
201 Give the diazotisation reaction of
aniline. Also give the chemical reaction
involved in the preparation of red azo dye and light yellow azo dye.
12
202 Write the reaction for the conversion of
1-hexanol ( rightarrow 1 ) – heptanamine
12
203 Above ( (boldsymbol{C}-boldsymbol{N}) ) coupling reaction take
place at:
A . low ( p H )
B. nearly nutral ( p H )
( c . ) high ( p H )
D. any ( p H )
12
204 Question 5. Complete the following acid-base reactions and name the
products :
(1) CH3CH,CH NH, + HCI →
(ii) (CH3)3N + HCI —
12
205 Give plausible explanation for each of the following:
i. Why are amines less acidic than alcohols of comparable molecular
masses?
ii. Why do priomary amines have higher boiling points than tertiary amines?
iii. Why are aliphatic amines stronger bases than aromatic amines?
12
206 Which of the following is more basic than aniline?
A. Diphenylamine
B. Triphenylamine
c. p-nitroaniline
D. Benzylamine
12
207 • 18 The most reactive amine towards dilute hydrochloric acid is ……….
CH3
(a) CH3-NH2
CNH-CH3
(b) CH3
NH2
CH3
(c) CH3
CNH-CH,
H.
12
208 Match the column. 12
209 Give a simple chemical test to distinguish between Aniline and ( mathrm{N}, mathrm{N} ) dimethylaniline 12
210 Question 2. Give one chemical test to distinguish between the follow
pairs of compounds.
(i) Methylamine and dimethylamine
(ii) Secondary and tertiary amines
(iii) Ethylamine and aniline (iv) Aniline and benzylamine
(v) Aniline and N-methylaniline.
(a) Write the structures of amines and classify them into 10. 20.3 benz
amine or aromatic amine.
(b) Only 1º amines (all types) give carbylamine reaction. 1º and 2
aliphatic amines give Libermann’s nitrso reaction.
(c) Aromatic amines give dye test, i.e., diazotization followed by coupling
12
211 Acetamide is treated with the following
reagents separately. Which one of these
would yield methylamine?
A. ( N a O H-B r_{2} )
B. Sodalime
c. Hot conc. ( mathrm{H}_{2} mathrm{SO}_{4} )
D. ( P C l )
12
212 Which of the following is a secondary amine?
A. ( H_{2} N-N H_{2} )
в. ( C H_{3}-N H_{2} )
c. ( left(C H_{3}right)_{2} N C_{6} H_{5} )
D. ( C_{6} H_{5}-N H-C H_{3} )
12
213 Question 15. Predict the reagent or the product in the following reaction
sequence,
CH3
CH3
CH3
(CH,CO),
Pyridine
HNO3
H2SO4
2
NO2
NH2
NHCOCH,
CH3
CH,
NaNOZ/HCI
NO2
“NO₂
NH2
12
214 Select the correct statements regarding
the final product ( (Y) )
This question has multiple correct options
A. It can be identified with neutral ( F e C l_{3} ) solution
B. On treatment with Zn-dust it yields a product having degree of unsaturation ( =4 )
C. It undergoes coupling reaction with benzene diazonium chloride at low temperature ( left(0-5^{circ} mathrm{C}right) ) in slightly basic medium
D. It liberates ( H_{2} ) gas with Na
12
215 Which of the following compounds is an
imine?
( A )
( B )
( c )
D.
12
216 Q. 45 Why does acylation of -NH, group of aniline reduces its activating
effect?
ito nativits due to resonance of lone pair of
12
217 0. 36 Under which of the following reaction condi
ich of the following reaction conditions, aniline gives p-nitro
derivative as the major product?
ta) Acetyl chloride/pyridine followed by reaction with conc. H2SO4 + conc. HNO3
(b) Acetic anhydride/pyridine followed by conc. H.SO4 + conc. HNO3
(c) Dil. HCl followed by reaction with conc. H.SO4 + conc. HNO3
(d) Reaction with conc. HNO3 + conc. H2SO4
ne to 3
12
218 Q.50 Arrange the following compounds in increasing order of dipole moment.
CH3CH2CH3, CHCH,NH, CH2CH2OH
12
219 Q. 25 The correct decreasing order of basic strength of the following species is
…..….. . H20, NH3, OH-, NH,
(a) NH; > OH” >NH, >H,0 (b) OH > NH7 > H2O > NH3
(c) NH> H,O > NH; > OH (d) H,O > NH3 > OH > NHZ
12
220 Which compound is different from the others?
A. Methyl ethyl ketone
B. Pentan-2-one
c. 2-Pentanone
D. Methyl propyl ketone
12
221 g. 20 ine reaction ArN2 CL
(a) Sandmeyer reaction
(c) Claisen reaction
une → ArCl + N, + CuCl is named as ………
(b) Gattermann reaction
(d) Carbylamine reaction
12
222 Q. 76 A colourless substance ‘A’ (C2H,N) is sparingly soluble in water and gives
a water soluble compound ‘B’ on treating with mineral acid. On reacting
with CHCl, and alcoholic potash ‘A’ produces an obnoxious smell due to
the formation of compound ‘C. Reaction of ‘A’ with benzenesulphonyl
chloride gives compound ‘D’ which is soluble in alkali. With NaNO, and
HCI, A’ forms compound ‘E’ which reacts with phenol in alkaline medium
to give an orange dye ‘F. Identify compounds ‘A’ to ‘F.
12
223 ( boldsymbol{o}-boldsymbol{B r}-boldsymbol{C}_{6} boldsymbol{H}_{4}-boldsymbol{N} boldsymbol{H}_{2} ) is :
A . aliphatic ( 1^{0} ) – amine
B. aromatic ( 1^{0} ) – amine
c. aliphatic ( 2^{0} ) – amine
D. aromatic ( 2^{0} ) – amine
12
224 toppr
Q Type your question.
4
B.
( c )
( D )
12
225 Write the reactions of (i) aromatic and
(ii) aliphatic primary amines with nitrous acid.
12
226 Write the structure of ( n )
methylethanmine.
12
227 The correct order of basic strength of
the compounds?
( mathbf{A} cdot I>I I>I I I )
В . ( I I>I>I I I )
c. ( I I I>I I>I )
D. ( I I>I I I>I )
12
228 Which of the following arylamines will
not form a diazonium salt on reaction
with sodium nitrite in hydrochloric
acid?
This question has multiple correct options
A. m-Ethylaniline
B. p-Aminoacetophenone
c. 4 -chloro-2-nitroaniline
D. N-Ethyl-2-methylaniline
12
229 In pyrrole
The electron density is maximum on
12
230 the following reaction?
( A )
( B )
( c )
( D )
12
231 What is the name for red azo dye?
A. p-hydroxy azo benzene
B. ( beta ) – nathyl azo benzene
C . p-amino azo benzene
D. p- ( mathrm{N}, mathrm{N} ) dimethyl amino azo benzene
12
232 What is the order of basicity of the
following compounds in aprotic
solvent?
( boldsymbol{C H}_{3} boldsymbol{N} boldsymbol{H}_{2},left(boldsymbol{C H}_{3}right)_{2} boldsymbol{N} boldsymbol{H},left(boldsymbol{C H}_{3}right)_{3} boldsymbol{N} )
A ( cdotleft(C H_{3}right)_{3} N>left(C H_{3}right)_{2} N H>C H_{3} N H_{2} )
B . ( left(C H_{3}right)_{3} N<left(C H_{3}right)_{2} N HC H_{3} N H_{2}>left(C H_{3}right)_{2} N H )
D. None of these
12
233 In the chemical reactions, the
compounds ( A ) and ( B ) respectively are:
A. nitrobenzene and fluorobenzene
B. phenol andbenzene
c. benzene diazonium chloride and fluorobenzene
D. nitrobenzene and chlorobenzene
12
234 Identify ( A ) and ( B ) the following reactions. ( boldsymbol{C}_{6} boldsymbol{H}_{5} boldsymbol{N}_{2} boldsymbol{C l} frac{boldsymbol{H O H}}{Delta} boldsymbol{A} stackrel{boldsymbol{B r}_{2}}{boldsymbol{B}} boldsymbol{B} ) 12
235 0
0
0
0
12
236 Question 1. What is the role of HNO3 in the nitrating mixture used for
nitration of benzene?
TIDO
12
237 Question 8. A compound Z with molecular formula CzH,N reacts will
CH SO,Cl to give a solid, insoluble in alkali. Identify Z.
12
238 Which of the following is secondary amine?
A. ( C H_{3}-N H_{2} )
в.
[
C-N_{L}^{C}^{ominus}-C
]
c. ( C H_{3}-N H C H_{3} )
D. ( C H_{3}-Nleft(C H_{3}right)_{2} )
12
239 11
İ Compound (C) [ Isomer of (A)]
( mathbf{A} )
( B )
( mathbf{C} )
( D )
12
240 Which of the following forms unstable
diazonium ion when treated with
( N a N O_{2} ) in aqueous ( H C l ? )
A. p-nitrotoluene
B. ethylamine
c. N,N-dimethyl aniline
D. All of the above
12
241 8
8
8
12
242 Q. 2 The correct IUPAC name for CH2 = CHCH NHCH3 15
(a) allyl methylamine
(b) 2-amino-4-pentene
(c) 4-aminopent-1ene
(d) N-methylprop-2-en-1-amine
12
243 ( boldsymbol{R}-boldsymbol{C O O H} frac{N D_{3}}{Delta}(boldsymbol{A}) frac{B r_{2}, boldsymbol{K} boldsymbol{O} boldsymbol{H}}{Delta} )
( (B) stackrel{N a N O_{2}+H C l}{longrightarrow}(C) )
What is ( A, B ) and ( C ? )
A ( cdot(A) R C O N D_{2} ;(B) R N H_{2} ;(C) ) ROH
B . ( (A) R C O N D_{2} ;(B) R N D_{2} ;(C) R O D )
c. ( (A) R C O N H D ;(B) R N H D ;(C) ) ROH
D. None of these
12
244 Question 9. Convert: () 3-methyl aniline into 3-nitrotoluene.
(ii) aniline into 1,3,5-tribromobenzene.
The given conversions involve the following steps.
O Diazotization followed by reaction with HBF, and nitration.
(D) Bromination, diazotization and reduction (by H2PO2).
Sala
12
245 Match the four starting materials (P, Q,
R, S) given in List I with the corresponding reaction schemes (I, II, III, IV) provided in List II and select the correct answer using the code given below the lists.
A. P-1, Q- 4, R- 2, S- 3
B. P- 3, Q-1,R- 4, S-2
c. ( P-3, Q-4, R-2, S-1 )
D. P- ( 4,0-1, R-3, S-2 )
12
246 Write the IUPAC name of the following amine.
( boldsymbol{H}_{2} boldsymbol{N}-left(boldsymbol{C} boldsymbol{H}_{2}right)_{6}-boldsymbol{N} boldsymbol{H}_{2} )
12
247 Amongst the following the strongest base is:
A. benzylamine
B. aniline
c. m-nitroaniline
D. p-nitroaniline
12
248 Compare boiling point of isomeric alkyl amines.
A ( cdot 1^{circ}>2^{circ}>3^{circ} )
B . ( 1^{circ}>2^{circ}<3^{circ} )
c. ( 1^{circ}<2^{circ}<3^{circ} )
D. ( 1^{circ}3^{circ} )
12
249 Aniline when treated with ( N a N O_{2} ) and
( H C l ) at ( 0-5^{0} C ) gives
as a product.
A. chloroaniline
B. benzene diazonium chloride
c. chlorobenzene
D. dichlorobenzene
12
250 When diazonium salt solution is
treated with ( K I, ) it forms:
A. bromobenzene
B. acid amide
c. phenol
D. iodobenzene
12
251 Q. 19 Acid anhydrides on reaction with primary amines give ..
(a) amide
(b) imide
(c) secondary amine
(d) imine
12
252 Diazotization of ( n-B u-N H_{2} ) with
( N a N O_{2} / H C l ) gives
isomeric butene.
( A cdot 2 )
B. 3
( c cdot 4 )
D.
12
253 Which reaction shows that amine is
base?
12
254 The first organic compound synthesized in the laboratory from an inorganic compound is:
A. ( N H_{4} N C O )
в. ( N H_{2}-C O-N H_{2} )
с. ( C H_{3} ) СООН
D. ( C H_{4} )
12
255 The correct increasing order of basic
strength for the following compounds is:
( (mathbf{I}) )
(II)
( (mathbf{I I I}) )
( mathbf{A} cdot|<| 1<1 )
B. ( |I|<|<| )
C. ( |I<|<1 )
D. ( |<I<| 1 )
12
256 Select the basic strength order of following molecules.
A. ( I I I>I I>I )
B. ( I I>I I I>I )
( c . I>I I I>I I )
D. ( I I I>I>I I )
12
257 Which of the following shows the correct order of decreasing basicity in aqueous medium:
( mathbf{A} cdotleft(C H_{3}right)_{3} N>left(C H_{3}right)_{2} N H>C H_{3} N H_{2}>N H_{3} )
в. ( left(C H_{3}right)_{2} N H>left(C H_{3}right)_{3} N>C H_{3} N H_{2}>N H_{3} )
C ( cdotleft(C H_{3}right)_{2} N H>C H_{3} N H_{2}>left(C H_{3}right)_{3} N>N H_{3} )
D. ( left(C H_{3}right)_{2} N H>C H_{3} N H_{2}>N H_{3}>left(C H_{3}right)_{3} N )
12
258 The following amine is:
A. strongly acidic
B. weakly acidic
c. strongly basic
D. weakly basiç
12
259 Write about Gabriel phthalimide synthesis? 12
260 Q. 23 Which of the following compounds is the weakest Bronsted base?
ΝΗ,
NH
он
OH
12
261 Q. 77 Predict the reagent or the product in the following reaction sequence.
CH
CH3
CH3
(CH.CO2)20
pyridine
HNO,
H.SO
3
NO2
NHCOCHE
NH2
Sl
CH₃
CH3
NANO HCI
NH2
12
262 The molecule which does not exhibit
strong hydrogen bonding is:
A. Methyl amine
B. Diethyl ether
c. Acetic acid
D. Glucose
12
263 The major product of the reaction is:
( A )
B.
( c )
( D )
12
264 ( frac{-}{sigma} )
of
0
0
12
265 In coupling reactions, diazonium ion
acts as:
A. nucleophile
B. electrophile
c. solvent
D. none of the above
12
266 Factors responsible for base strength comparison of amines in aqueous solution?
A. Availability of Ione pair on nitrogen
B. Lone pair donating power of nitrogen
c. Stability of conjugate acid formed by solvation through H-bonding.
D. All of the above
12
267 ( a )
( a )
( a )
0
12
268 toppr ( E )
Q Type your question
( operatorname{cooc}_{2} mathbf{H}_{5} )
( A )
B.
( c )
( D )
12
269 What makes diazonium ion one of the
best leaving group of organic chemistry?
A. Half filled electronic configuration of nitrogen atom
B. High electronegativity of nitrogen atom
c. very high stability of dinitrogen molecule in the atmosphere
D. Weaker ( C-N ) bond
12
270 Which statements are correct?
This question has multiple correct options
A. Phenol and aniline give coupling reaction with diazonium salt.
B. Phenol couples with diazonium salt in mild basic conditions ( (p H=8-10) )
C. Aniline couples with diazonium salt in mild acidic condition ( (p H=4-6) )
D. Both phenol and aniline couple with diazonium salt in neutral condition ( (p H=7) )
12
271 What is the decreasing order of relative basic strengths of following species?
( A cdot |>|V>|>|| mid )
c. ( ||>| V>|>| mid )
12
272 Best method of form aromatic iodide is:
( mathbf{A} cdot A r N_{2}^{+}+H I rightarrow )
B. ( R N H_{2}+I_{2} rightarrow )
( mathbf{c} cdot A r N_{2}^{+}+K I rightarrow )
D. ( A r N_{2}^{+}+P I_{3} rightarrow )
12
273 How many of the following are soluble in
water?
(i) Ethylamine
(ii) Aniline
12
274 Acid anhydrides on reaction with primary amines gives:
A . amide
B. imide
c. secondary amine
D. imine
12
275 Arrange the following in the increasing order of basicity:
( boldsymbol{C H}_{3} boldsymbol{N} boldsymbol{H}_{2},left(boldsymbol{C H}_{3}right)_{2} boldsymbol{N} boldsymbol{H},left(boldsymbol{C H}_{3}right)_{3} boldsymbol{N} )
12
276 (a) How do primary, secondary and teritary amines react with nitrous acid?
(b) Elucidate the structure of glucose.
12
277 A gaseous carbon compound is soluble in dilute HCI. The solution on treating
with ( N a N O_{2} ) gives off nitrogen leaving
behind a solution which smells of wood
spirit. The carbon compound is :
A. ( H C H O )
в. ( C O )
c. ( C_{2} H_{5} N H_{2} )
D. ( C H_{3} N H_{2} )
12
278 Distinguish between ( C_{6} H_{5} N H_{2} ) and
( boldsymbol{C}_{6} boldsymbol{H}_{5} boldsymbol{N} boldsymbol{H} boldsymbol{C} boldsymbol{H}_{3} )
12
279 The reagents / conditions K, L and M are
respectively:
( mathbf{A} cdot B a(O H)_{2}, K C N ) and ( C H C l_{3} / N a O H ) heat, ( H_{3} O^{+} )
B. ( H_{2} O ) boil, ( C O_{2} / K O H ) and ( A c_{2} O-A c O N a ), heat
c. steam ( ; C H C l_{3} / N a O H, ) heat, ( H_{3} O^{+} ) and ( A c_{2} O- ) ( A c O N a, ) heat
D. ( C u_{2} C l_{2} / H C l, N a O H / h i g h quad P ) and ( C O_{2} mid N a O H, ) heat
E. Blank
12
280 Q. 40 What is the product when CH CH NH, reacts with HNO2? 12
281 The stability of benzene diazonium salts is because of:
A . inductive effect
B. resonance
c. hyperconjugation
D. mesomeric effect
12
282 In the following compound, the
favourable site/s for protonation is/are:
( A cdot(b),(c) ) and ( (d) )
( B ). ( (a) )
( c cdot(a) ) and ( (e) )
D. (a) and (d)
12
283 Q. 58 Identify A and B in the following reaction.
KONA HAPO B
12
284 Arrange the following in the increasing order of their basicities.
I. ( p- ) Toluidine
II. ( N, N- ) Dimethyl – ( p ) – toluidine
III. ( p- ) Nitroaniline
IV. Aniline
A. ||( <|v<1<| )
B. II ( <mid V<1<11 )
c. ( |<|<1<1 V )
12
285 0.32 The product of the following reaction is ………
NHCOCHE
+ Br_CH.COOH —
NEHOOCH
NHCOCHE
NHCOC-
NHCOCH
B:
Br
12
286 Give reason:
Aromatic primary amines cannot be prepared by Gabriel’s phthalimide synthesis.
12
287 The conversion of primary aromatic ami nes into diazonium salts is known as
A. decarboxylation
B. diazotization
c. ammonolysis
D. none of these
12
288 The total number of lone-pairs of
electrons in Melamine is:
12
289 How Aniline is obtained from
Nitrobenzene?
12
290 What are the possible products?
[
widehat{mathrm{NH}_{2}} stackrel{mathrm{HNO}_{2}}{longrightarrow}
]
12
291 Fluorobenzene ( left(C_{6} H_{5} Fright) ) can be
synthesised in the lab:
A. by heating phenol with HF and KF
B. from aniline by diazotization followed by heating the diazonium salt with ( H B F_{4} )
C. by direct fluorination of benzene with ( F_{2} ) gas
D. by reacting bromo benzene with NaF solution
12
292 The replacement of diazonium group by fluorine is known as:
A . Gattermann reaction
B. Sandmeyer reaction
c. Balz-Schiemann reaction
D. Etard reaction
12
293 0.31 The reagents that can be used to convert benzenediazonium chloride to
benzene are ……..
(a) SnCl2/HCI (b) CH3CH,OH (c) H3PO,
(d) LiAIHA
12
294 Amines are classified as primary, secondary and tertiary amine.
(a) Represent the structure of secondary and tertiary amine.
(b) How will you convert nitrobenzene to
aniline?
(c) Aniline does not undergo Friedel-
Crafts reaction. Why?
12
295 The correct order of basic strength of
the following are:
( mathbf{1} )
2
3
4.
A ( .1>2> )
в. ( 4>2>3>1 )
c. ( 3>4>2>1 )
D. ( 3>2>4>1 )
12
296 The end-product in the reaction sequence would be:
Ethyl amine ( frac{H N O_{2}}{longrightarrow} A stackrel{P C l_{5}}{longrightarrow} B stackrel{N H_{3}}{longrightarrow} C )
A. Ethyl cyanide
B. Ethyl amine
c. Methyl amine
D. Acetamide
12
297 ( boldsymbol{C H}_{3} boldsymbol{C H}_{2} boldsymbol{N} boldsymbol{H}_{2} ) is soluble in:
This question has multiple correct options
A. dilute ( H C l )
B. ( C u S O_{4} ) solution
( mathrm{c} . A g N O_{3} )
D. none of these
12
298 ( boldsymbol{C H}_{3} boldsymbol{C H}_{2} boldsymbol{C l} stackrel{boldsymbol{N a C N}}{longrightarrow} boldsymbol{X} stackrel{boldsymbol{N i} / boldsymbol{H}_{2}}{longrightarrow} )
( boldsymbol{Y} stackrel{text {aceticanhydride}}{longrightarrow} boldsymbol{Z} )
In the above reaction sequence, ( Z ) is:
A. ( C H_{3} C H_{2} C H_{2} N H C O C H_{3} )
B. ( C H_{3} C H_{2} C H_{2} N H_{2} )
c. ( C H_{3} C H_{2} C H_{2} C O N H C H_{3} )
D. ( C H_{3} C H_{2} C H_{2} C O N H C O C H_{3} )
12
299 Which of the following undergoes diazotization?
A. ( C H_{3} N H_{2} )
в. ( C_{6} H_{5} N H_{2} )
c. ( C H_{3} C O N H_{2} )
D. ( _{C H_{3} N}left(C H_{3}right)_{2} )
12
300 Q. 41 What is the best reagent to convert nitrile to primary amine? 12
301 Which compound does not give positive test in Lassaigne’s test for nitrogen?
A. Urea
B. Hydrazine
c. Azobenzene
D. Phenyl hydrazine
12
302 Indicate which nitrogen compound amongst the following would undergo Hofmann reaction (i.e., reaction with
( left.B r_{2}, text { and strong } K O Hright) ) to furnish the
primary amine ( left(boldsymbol{R}-boldsymbol{N} boldsymbol{H}_{2}right) )
A. ( R C O N H C H_{3} )
в. ( R C O O N H_{4} )
( mathbf{c} cdot R C O N H_{2} )
D. ( R-C O-N H O H )
12
303 Q. 60 Write following conversions
(i) Nitrobenzene → Acetanilide
(ii) Acetanilide → p-nitroaniline
til
e follows
12
304 All the following IUPAC names are correct except :
A. 1-chloro-1-ethoxypropane
B. 1-amino-1-ethoxypropane
c. 1-ethoxypropan-2-01
D. 1-ethoxypropan-1-amine
12
305 ( boldsymbol{C}_{6} boldsymbol{H}_{6}+boldsymbol{H} boldsymbol{N} boldsymbol{O}_{3}+boldsymbol{H}_{2} boldsymbol{S} boldsymbol{O}_{4} frac{50^{0}-boldsymbol{6} boldsymbol{0}^{0}}{longrightarrow} )
( boldsymbol{A} stackrel{boldsymbol{S n}+boldsymbol{H} C l}{longrightarrow} boldsymbol{B} frac{boldsymbol{C H}_{3} boldsymbol{C O C l}}{boldsymbol{N}} boldsymbol{C} ). Then ( boldsymbol{C} ) is:
A . aniline
B. nitro benzene
c. acetanilide
D. benzedine aniline
12
306 Which of the following statements
about ethylmethylamine is true?
This question has multiple correct options
A. It is a dialkylamine.
B. It is a tertiary amine.
C. Its IUPAC name is N-methylaminoethane.
D. Its IUPAC name is N-ethylaminomethane.
12
307 Which of the following reactions is used to prepare aryl fluorides from diazonium salts and fluoroboric acid?
A. Sandmeyer reaction
B. Balz-Schiemann reaction
c. Gattermann reaction
D. Swarts reaction
12
308 Hofmann bromamide degradation
reaction is shown by:
A ( . A r N H_{2} )
в. ( A r C O N H_{2} )
c. ( A r N O_{2} )
D. ( A r C H_{2} N H_{2} )
12
309 Arrange the following in decreasing order of their basic strength:
( boldsymbol{C}_{6} boldsymbol{H}_{5} boldsymbol{N} boldsymbol{H}_{2}, boldsymbol{C}_{2} boldsymbol{H}_{5} boldsymbol{N} boldsymbol{H}_{2},left(boldsymbol{C}_{2} boldsymbol{H}_{5}right)_{2} boldsymbol{N} boldsymbol{H}, boldsymbol{lambda} )
12
310 Which of the following is the strongest base?
A. Aniline
B. N-methylaniline
c. o-methylaniline
D. Benzylamine
12
311 The major product of the reaction is :
( A )
( B )
( c )
( D )
12
312 ( sigma_{sigma^{prime}}^{sigma_{0}} ) 12
313 Q.51 What is the structure and IUPAC name of the compound, allyl amine! 12
314 Which of the following is ( 3^{0} ) amine?
A. 1-methylcyclohexylamine
B. Triethylamine
c. Tert-butylamine
D. N-methyl aniline
12
315 The correct IUPAC name of the given
compound is:
A. N-dimethyl 1-methyl-1-ethyl propane
B. 3-methyl-3(N, N-dimethyl amino) pentane
c. N-dimethyl amino-3-methyl pentane
D. 3, N, N – trimethyl-3-pentanamine
12
316 The IUPAC name of
( left(boldsymbol{C H}_{3}right)_{2} boldsymbol{N} boldsymbol{C H}left(boldsymbol{C H}_{3}right)_{2} ) is:
A. N,N-dimethyl-2-propanamine
B. N,N-dimethyl amino isopropane
c. N,N-dimethyl amino ethane
D. Methyl-N-isopropyl methyl amine
12
317 The correct order of boiling points of the
following amines
( boldsymbol{C}_{mathbf{4}} boldsymbol{H}_{mathbf{9}} boldsymbol{N} boldsymbol{H}_{mathbf{2}},left(boldsymbol{C}_{mathbf{2}} boldsymbol{H}_{mathbf{5}}right)_{mathbf{2}} boldsymbol{N} boldsymbol{H}, boldsymbol{C}_{mathbf{2}} boldsymbol{H}_{mathbf{5}} boldsymbol{N}(boldsymbol{C} boldsymbol{I} )
is :
( mathbf{A} cdot c_{2} H_{5} Nleft(C H_{3}right)_{2}>left(C_{2} H_{5}right)_{2} N H>C_{4} H_{9} N H_{2} )
B ( cdotleft(C_{2} H_{5}right)_{2} N H>C_{2} H_{5} Nleft(C H_{3}right)_{2}>C_{4} H_{9} N H_{2} )
( mathrm{c} cdot_{C_{4} H_{9} N H_{2}>}left(C_{2} H_{5}right)_{2} N H>C_{2} H_{5} Nleft(C H_{3}right)_{2} )
( mathbf{D} cdotleft(C_{2} H_{5}right)_{2} N H>C_{4} H_{9} N H_{2}>C_{2} H_{5} Nleft(C H_{3}right)_{2} )
12
318 Sandmeyer reaction is better than
Gattermann reaction because:
A. sandmeyer reaction uses salt of copper while Gattermann reaction uses copper powder
B. only one salt is produced in Sandmeyer reaction while Gattermann reaction produces two salts.
C. sandmeyer reaction gives better yield than Gattermann reaction.
D. all of the above.
12
319 What is the type of hybridisation of ( N ) atom in amines?
( mathbf{A} cdot s p )
B. ( s p^{2} )
c. ( d s p^{2} )
( D cdot s p^{3} )
12
320 Which of the following amine gives diazonium salt on reaction with
( boldsymbol{H} boldsymbol{N} boldsymbol{O}_{2} ? )
A ( cdotleft(C H_{3}right)_{2} N H )
в. ( left(C H_{3}right)_{3} N )
c. ( C_{6} H_{5} N H_{2} )
D. ( C H_{3} N H_{2} )
12
321 (a) Distinguish between primary, secondary and tertiary amines.
(b) Explain the structure of fructose.
12
322 Tertiary butyl amine is a:
A ( cdot 1^{circ} ) amine
B . ( 2^{circ} ) amine
( mathbf{c} cdot 3^{circ} ) amine
D. quaternary salt
12
323 Why does acetylation of ( -N H_{2} ) group of
aniline reduce its activity?
12
324 Which of the following statements
about primary amines is false?
A. Alkyl amines are stronger bases than aryl amines
B. Alkyl amines react with nitrous acid to produce alcohols
C. Aryl amines react with nitrous acid to produce phenols
D. Alkyl amines are stronger bases than ammonia
12
325 A primary amine ( {mathrm{B} ) ), on treatment with
a solution of ( A u C l_{3} ) in conc. ( H C l ) yields
a compound whose formula would be?
( mathbf{A} cdot(B H)^{+} cdot A u C l_{4}^{-} )
B ( cdotleft(B H_{2}right)^{+} cdot A u C l_{4}^{-2} )
( mathbf{c} cdot(B H)^{+} cdot H A u C l_{4} )
D. ( B . A u C l_{4} )
12
326 Arrange the following in their
decreasing order of acidity.
( mathbf{1} )
II.
III.
( mathbf{I V} . mathrm{NH}_{3} )
A. ( I I I>I V>I>I I )
В . ( I>I I>I I I>I V )
( mathbf{c} cdot I V>I I I>I I>I )
D. ( I I>I I I>I>I V )
12
327 How can the conversion of (i) to (ii) be
brought about?
( mathbf{A} cdot K B r )
( mathbf{B} cdot K B r+C H_{3} O N a )
( mathbf{c} cdot K B r+K O H )
( mathbf{D} cdot B r_{2}+K O H )
12
328 Write the IUPAC name of the compound.
[
begin{array}{c}
boldsymbol{C H}_{3}-boldsymbol{C H}-boldsymbol{C H}_{2}-boldsymbol{C O O H} \
boldsymbol{O H}
end{array}
]
12
329 The decreasing order of basicity of the
following amines is :
A. ( (I I)>(I I I)>(I V)>(I) )
в. ( (I)>(I I I)>(I V)>(I I) )
c. ( (I I I)>(I I)>(I)>(I V) )
D. ( (I I I)>(I)>(I I)>(I V) )
12
330 Reduction of ( C H_{3} C H_{2} N C ) with
hydrogen in presence of ( boldsymbol{N} boldsymbol{i} ) or ( boldsymbol{P} boldsymbol{t} ) as catalyst gives:
A ( cdot C H_{3} C H_{2} N H_{2} )
B. ( C H_{3} C H_{2} N H C H_{3} )
c. ( C H_{3} C H_{2} N H C H_{2} C H_{3} )
D. ( left(C H_{3}right)_{3} N )
12
331 Column I Column II 12
332 [
boldsymbol{C H}_{3}-boldsymbol{N H}_{2} quad boldsymbol{C H}_{3}-boldsymbol{N H}-boldsymbol{C H}_{3}
]
( boldsymbol{C H}_{3}-boldsymbol{N}-boldsymbol{C H}_{3} )
( boldsymbol{C H}_{3} )
Compare boiling points of the given compounds:
12
333 Predict the product (T) for the following
reaction sequence. ( boldsymbol{C}_{6} boldsymbol{H}_{5}-boldsymbol{C H}=boldsymbol{O} stackrel{boldsymbol{K C N} / boldsymbol{O H}^{-}}{longrightarrow} )
( boldsymbol{R} frac{boldsymbol{C r} boldsymbol{O}_{2} / boldsymbol{H}^{oplus}}{longrightarrow} boldsymbol{S} frac{(i) operatorname{conc} K boldsymbol{O} boldsymbol{H}}{(i i) text { Acidification }} boldsymbol{T} )
A. cinnamic acid
B. Mandelic acid
c. Benzilic acid
D. Benzoic acid & Benzyl alcohol
12
334 The major product of the reaction is:
( A )
в.
( c )
D.
12
335 Write down IUPAC name of ( C H_{3}-N H ) 12
336 Which of the following is not correct
regarding basic strength?
( mathbf{A} )
B.
( c )
D.
12
337 Which of the following does not give ( mathrm{N} ) ethyl cyclopentyl amine as a major
product?
(1)
(2)
12
338 Identify the compounds from the following which form primary amines under suitable reduction conditions.
1. ( boldsymbol{C}_{2} boldsymbol{H}_{mathbf{5}} boldsymbol{N} boldsymbol{C} )
2. ( C_{2} H_{6} )
3. ( C_{2} H_{5} C O N H_{2} )
4. ( C_{6} H_{5} N O_{2} )
A ( cdot 1,4 )
в. 3,4
c. 1,3,4
D. 2,3,4
12
339 Amines are almost colourless but
develop colour on keeping in the air for a long time, because:
A. they are readily oxidised in air to form coloured oxidation product.
B. they react with oxygen present in air in very less amount
c. they regain color in presence of air
D. none of these
12
340 Question 2. Why is NH, group of aniline acetylated before carrying out
nitration?
Solution In order to check the activation of benzene ring by amino
12
341 0
0
0
0
0
12
342 226. Iodination of benzene is not easily carried out. How can one prepare para-iodobenzoic acid from p-nitrotoluene?
(a) (1) Br + FeBry (1) Mg in ether, CO, (1) 3H, and Pt Catalyst (iv) HNO2,0°C ( KI solution
(6) 6) NBS in CCI, and Heat (11) Nal in acetone (1) 3H, and Pt catalyst (iv) HNO, ( H₂PO,
(c) (NBS in CCI, and Heat (1) HNO2,0°C (iii) CuBr + HBO (iv) KMnO, (v) Kl solution
(a) (1) KMnO, and Heat (ii) Sn + HCI (ii) HNO,0°C (iv) Kl solution
12
343 Q.53 A compound Z with molecular formula C HN reacts with CH SO2Cl to
give a solid, insoluble in alkali. Identify Z.
Thinking Process
12
344 In a set of reactions of propionic acid yielded a compound ( D ) ( boldsymbol{C H}_{3} boldsymbol{C H}_{2} boldsymbol{C O O H} stackrel{S O C l_{2}}{rightarrow} boldsymbol{B} stackrel{N H_{3}}{longrightarrow} boldsymbol{C} frac{boldsymbol{K O H}}{B r_{2}} )
( D )
The structure of ( D ) would be:
A. ( C H_{3} C H_{2} C H_{2} N H_{2} )
B. ( C H_{3} C H_{2} C O N H_{2} )
c. ( C H_{3} C H_{2} N H C H_{3} )
D. ( C H_{3} C H_{2} N H_{2} )
12
345 N methyl aniline is the stronger base
than pyridine.

If this is true enter 1 , if false enter 0 .

12
346 Replacement of diazo group by other groups is helpful in preparing those substituted aromatic compounds which cannot be prepared by:
A. direct elimination
B. replacement reaction
c. direct substitution
D. addition reaction
12
347 Question 7. Write down the IUPAC name of
N(CH3)2
12
348 Which of the following is a ( 3^{circ} ) amine?
A. 1-Methylcyclohexylamine
B. Triethylamine
c. tert-butylamine
D. N-Methylaniline
12
349 Question 12. How will you carry out the following conversions?
(i) Toluene- p-toluidine
(ii) p-touidine diazonium chloride- p-toluic acid
12
350 Arrange the following in increasing
order of pH value
A . ॥ < I < II
( c .|<|< )
D. II<IIIS
12
351 ( boldsymbol{C H}_{3}-boldsymbol{C l}+boldsymbol{N} boldsymbol{H}_{3} rightarrow )
( boldsymbol{C}_{2} boldsymbol{H}_{5}-boldsymbol{C l}+boldsymbol{N} boldsymbol{H}_{3} rightarrow )
Complete the reaction.
12
352 Q. 63 How will you carry out the following conversion:
NO2
NH2
12
353 2. 74 Assertion (A) Acetanilide is less basic aniline.
Reason (R) Acetylation of aniline results in decrease of electron density
on nitrogen.
12
354 The structural feature which
distinguishes proline from other
natural ( alpha ) -amino acids is that:
A. it is optically inactive
B. it contains aromatic group
c. it contains two amino groups
D. it is secondary amine
12
355 Point out the correct decreasing order of
( boldsymbol{p} boldsymbol{K}_{boldsymbol{b}} ) values of following amines:
( boldsymbol{C}_{2} boldsymbol{H}_{5} boldsymbol{N} boldsymbol{H}_{2}, boldsymbol{C}_{6} boldsymbol{H}_{5} boldsymbol{N} boldsymbol{H} boldsymbol{C} boldsymbol{H}_{3} )
( left(C_{2} H_{5}right)_{2} N H ) and ( C_{6} H_{5} N H_{2} )
( mathbf{A} cdotleft(C_{2} H_{5}right)_{2} N H>C_{2} H_{5} N H_{2}>C_{6} H_{5} N H C H_{3}> )
( C_{6} H_{5} N H_{2} )
B. ( left(C_{2} H_{5}right)_{2} N H>C_{6} H_{5} N H C H_{3}>C_{6} H_{5} N H_{2}> )
( C_{2} H_{5} N H_{2} )
c. ( C_{6} H_{5} N H_{2}>C_{6} H_{5} N H C H_{3}>C_{2} H_{5} N H_{2}> )
( left(C_{2} H_{5}right)_{2} N H )
D. ( C_{2} H_{5} N H_{2}>left(C_{2} H_{5}right)_{2} N H>C_{6} H_{5} N H C H_{3}> )
( C_{6} H_{5} N H_{2} )
12
356 Which of the following represents the IUPAC names of the compounds 0 dinitrobenzene, m-dinitrobenzene, and
p-dinitrobenzene respectively.
A. 1,2 -dinitrobenzene, 1,3 -dinitrobenzene and ( 1,4- ) dinitrobenzene
B. 1,2-dinitrobenzene, 1,4-dinitrobenzene and 1,3dinitrobenzene
c. 1.3 -dinitrobenzene, 1,2 -dinitrobenzene, and ( 1,4- ) dinitrobenzene
D. 1.3-dinitrobenzene, 1,4-dinitrobenzene and 1,2dinitrobenzene
12
357 Which one of the amine have highest boiling point?
A. Primary amine
B. Secondary amine
c. Tertiary amine
D. all of these
12
358 Q. 17 Reduction of aromatic nitro compounds using Fe and HCl gives ..
(a) aromatic oxime
(b) aromatic hydrocarbon
(c) aromatic primary amine
(d) aromatic amide
12
359 Aromatic amines are generally:
A. pleasant in smell.
B. toxic in nature.
C . low melting solids.
D. none of these
12
360 Write the IUPAC name of the given compound and classify it into primary, secondary and teritiary amine
( left(boldsymbol{C} boldsymbol{H}_{3}right)left(boldsymbol{C} boldsymbol{H}_{2}right)_{2} boldsymbol{N} boldsymbol{H}_{2} )
12
361 ( boldsymbol{C H}_{3} boldsymbol{C H}_{2} boldsymbol{C H}_{2} boldsymbol{C N}+mathbf{2 H}_{2} stackrel{boldsymbol{P d}}{longrightarrow} )
Which of the following compound is formed in the above reaction?
( mathbf{A} cdot C H_{3} C H_{2} C H_{2} C H_{2} N H_{2} )
в. ( C H_{3} C H_{2} C H_{2} N H_{2} )
c. ( C H_{3} C H_{2} C H_{2} C H_{2} C H_{2} N H_{2} )
D. None of the above
12
362 Identify ( Y ) in the following reaction. ( boldsymbol{C}_{2} boldsymbol{H}_{5} boldsymbol{N} boldsymbol{H}_{2} frac{boldsymbol{H} C l}{N a N O_{2}}[boldsymbol{X}] stackrel{boldsymbol{H}_{2} boldsymbol{O}}{longrightarrow} boldsymbol{Y} )
A. ( C_{2} H_{5} N_{2} C l )
в. ( C_{2} H_{5} C l )
с. ( C_{2} H_{5} O H )
D . ( C_{2} H_{6} )
12
363 Write the structure and IUPAC names of
the following compounds.
(i) Isobutyl amine.
(ii) Ethyl methyl amine.
12
364 Write IUPAC names of the following compound and classify it into primary, secondary, and tertiary amines.
( boldsymbol{C H}_{3} boldsymbol{N H C H}left(boldsymbol{C H}_{3}right)_{2} )
A. N-Methylpropan-2-amine ( left(3^{circ}right) )
B. 3-Methylpropan-2-amine (3^)
c. 2-Methylpropan-2-amine ( 2 ( ^{circ} )
D. N-Methylpropan-2-amine (2^)
12
365 ( boldsymbol{C H}_{3} boldsymbol{C H}_{2} boldsymbol{C O N H}_{2} frac{boldsymbol{B r}_{2}}{N a O boldsymbol{H}} boldsymbol{A} )
Aqueous solution of ( boldsymbol{A} )
A. Turns blue litmus to red
B. Turns red litmus to blue
c. Does not affect the litmus
D. Decolourise the litmus
12
366 Amines are the derivatives of:
( A ). acids
B. ammonia
c. alkanes
D. esters
12
367 Which of the following reaction gives secondary amine?
A. Reduction of amide
B. Reduction of carbylamine
c. Reduction of nitro compound
D. Hoffmann reduction
12
368 For tghis coupling reaction,which of the following conditions is most suitable?
A. strongy acidic
B. strongy alkaline
c. Slightly alkaine
D. neutral
12
369 Convert:
Ethanoic acid to methylamine.
12
370 A compound (A) when reacted with ammonia gave (B),(B) when treated with bromine and caustic powder produced (C), (C) on treatment with
( N a N O_{2} ) and ( H C l ) at ( 0^{circ} mathrm{C} ) and then
produce ortho-cresol. Compound (A) is:
A. o-chlorotoluene
B. o-toluic acid
c. m-toluic acid
D. n-bromotoluene
12
371 Arrange the following in the increasing order of solubility in water:
¡) ( boldsymbol{C}_{boldsymbol{6}} boldsymbol{H}_{boldsymbol{5}} boldsymbol{N} boldsymbol{H}_{boldsymbol{2}} )
ii) ( left(C_{2} H_{5}right)_{2} N H )
iii) ( boldsymbol{C}_{2} boldsymbol{H}_{5} boldsymbol{N} boldsymbol{H}_{2} )
A. is iis iii
B. iisisiii
( c . ) iiisisi
D. iii <iisi
12
372 Benzyl amine may be alkylated as shown in the following equation:
( boldsymbol{C}_{boldsymbol{6}} boldsymbol{H}_{boldsymbol{5}} boldsymbol{C H}_{mathbf{2}} boldsymbol{N} boldsymbol{H}_{boldsymbol{2}}+boldsymbol{R}-boldsymbol{X} rightarrow )
( boldsymbol{C}_{boldsymbol{6}} boldsymbol{H}_{boldsymbol{5}} boldsymbol{C} boldsymbol{H}_{2} boldsymbol{N} boldsymbol{H} boldsymbol{R} )
Which of the following alkyl halides is best suited for this reaction through
( boldsymbol{S}_{N} 1 ) mechanism?
A ( cdot C H_{3} B r )
в. ( C_{6} H_{5} B r )
c. ( C_{6} H_{5} C H_{2} B r )
( mathbf{D} cdot C_{2} H_{5} B r )
12
373 The decreasing order of boiling points of ethyldimethylamine, n- butylamine and diethylamine is ( n- ) Butylamine ( > ) Diethylamine > Ethyldimethylamine. This trend of the boiling point can be explained as:
A. boiling point increases with increase in molecular mass
B. tertiary amines have highest boiling point due to highest basicity
c. intermolecular hydrogen bonding is maximum in primary amines and absent in tertiary amines
D. intramolecular hydrogen bonding is present in tertiary amines
12
374 Methylethylpropyl amine is optically inactive because
(i) It is not tetrahedral
(ii) Its molecule is superimposable on its mirror image
(iii) The enantiomers are rapidly interconverted
(iv) The nitrogen is ( s p^{2} ) hybridized Which of the above statement(s) is(are)
true?
A. only (i)
B. only (iii)
c. (i) and (iii)
D. All the four
12
375 Q. 24 Among the following amines, the strongest Bronsted base is ………
H
NH2
N.
091500
(b) NH3
12
376 Which amine yield ( N- ) nitroso amine
after treatment with nitrous acid
( left(N a N O_{2}, H C lright) ? )
( A )
B.
( c )
( D )
12
377 Diazo coupling is useful to prepare
some:
A . pesticides
B. dyes
c. proteins
D. vitamins
12
378 Write the IUPAC name of the following
amine.
( boldsymbol{C H}_{3}-boldsymbol{C H}_{2}-boldsymbol{C H}-boldsymbol{N H}_{2}-boldsymbol{C}=mathbf{0}- )
( boldsymbol{O} boldsymbol{H} )
12
379 Which or tollowing Is an example of
Pinacol-Diazotization?
( mathbf{A} )
( B )
( c )
D.
12
380 When ( C_{6} H_{5} N_{2} C l ) is reduced with
( N a_{2} S n O_{2} ) the product is:
( A )
в.
c.
D.
12
381 Consider the following statements
(i) Out of two ( -N H_{2} ) groups in semicarbazide only one is involved in formation of semicarbazones.
(ii) Cyclohexane froms cyanohydrin in good yield but ( 2,2,6- )
trimethylcyclohexanone does not.
(iii) The ( alpha- )hydrogens in aldehydes
and ketones are acidic.
A. i and iii
B. ii and iii
c. i and i i
D. i, ii and iii
12
382 Which one of the following is used as a test for aliphatic primary amines?
A. Tollen’s test
B. Fehling’s lest
c. Isocyanide test
D. Azo dye test
E. Phthalein fusion test
12
383 ( boldsymbol{C H}_{3}-underset{boldsymbol{C} boldsymbol{H}_{3}}{boldsymbol{C} boldsymbol{H}}-stackrel{boldsymbol{P} boldsymbol{h}}{boldsymbol{C} boldsymbol{H}}-boldsymbol{N} boldsymbol{H}_{2} )
The IUPAC name of the compound is :
A. 1-Amino-1-phenyl-2-methyl propane
B. 2-Methyl-1-phenyl propan-1-amine
c. 2-Methyl-1-amino-1-phenyl propane
D. 1-lsopropyl-1-phenyl methyl amine
12
384 Which reaction sequence below can
convert ( p ) -bromoaniline into ( p )
bromophenol?
( A )
[
mathbf{h}_{2} mathrm{N}-langlesqrt{quad}rangle=mathrm{Br} frac{mathrm{NaNO}_{2}}{mathrm{HCl}, mathrm{H}_{2} mathrm{O}, 0^{circ} mathrm{C}}
]
B.
( c )
( mathrm{H}_{2} mathrm{N} longrightarrowlangleunderbrace{mathrm{o}}_{mathrm{Pyridine}} mathrm{N}_{2} mathrm{O}=frac{mathrm{NaOH}}{mathrm{B}} )
( D )
12
385 Methyl orange (an acid -base indicator) can be prepared by following sequence
of reactions

What would be the structure of methyl
orange?

12
386 An aromatic primary amine A with
molecular formula ( C_{6} H_{7} N ) undergoes diazotisation to give B. B when the aqueous solution of ( mathrm{B} ) is boiled it gives
C. Identify ( A, B ) and ( C )
12
387 Q. 4 Which of the following is the weakest Bronsted base?
NH2
-NH₂
(b) (
NH
(c)
(d) CH3NH2
12
388 2. 16 In the nitration of benzene using a mixture of conc. H2SO4 and conc.
HNO3, the species which initiates the reaction is ………
(a) NO2
(b) NOT
(c) NO
(d) NOZ
odea
12
389 Ethylamine dissolves in water due to intermolecular H-bonding. If this is true enter 1 , if false enter 0 . 12
390 Among the following, the strongest base
is:
A ( cdot C_{6} H_{5} N H_{2} )
в. ( p-N O_{2} C_{6} H_{4} N H_{2} )
( mathbf{c} cdot m-N O_{2} C_{6} H_{4} N H_{2} )
D. ( C_{6} H_{5} C H_{2} N H_{2} )
12
391 Aniline when diazotized in cold and then
treated with dimethylaniline gives a coloured product. Its structure would
be:
( A )
B.
( c )
( D )
12
392 Q. 6 Which of the following reagents would not be a good choice for reducing
an aryl nitro compound to an amine?
(a) Hz(excess) / Pt
(b) LiAlH, in ether
(c) Fe and HCI
(d) Sn and HCI
otho
12
393 Ethylamine ( left(C_{2} H_{5} N H_{2}right) ) can be obtained from N-ethylphthalimide on treatment with:
A . ( N a B H_{4} )
в. ( C a H_{2} )
( mathrm{c} cdot mathrm{H}_{2} mathrm{O} )
D. ( N H_{2} N H_{2} )
12
394 The conversion of primary aromatic amines into diazonium salts is known
as:
A. diazotisation
B. displacement
c. acylation
D. alkylation
12
395 Which of the following diazonium salt is
relatively stable at ( 0-5^{0} C ? )
A. ( left.C H_{3}-N equiv Nright}^{oplus} C l^{-} )
В ( left.cdotleft(C H_{3}right)_{2} C H-N equiv Nright} oplus C l^{-} )
c. ( left.C_{6} H_{5}-N equiv Nright}^{oplus} C l^{-} )
D ( left.cdotleft(C H_{3}right)_{3} C-N equiv Nright}^{oplus} C l )
12
396 IUPAC name of ( boldsymbol{C}_{mathbf{6}} boldsymbol{H}_{mathbf{5}}-boldsymbol{C} boldsymbol{H}_{mathbf{2}}- )
( boldsymbol{C H}_{2}-boldsymbol{N H}_{2} ) is :
A. 2-phenyl ethanamide
B. 2-phenyl ethanamine
c. 2-phenyl ethylamine
D. 3-phenyl ethanamine
12
397 What is A? 12
398 What would be the product for the
following reaction?
( A cdot P h-C )
в. ( P h-N_{2} )
( c )
( D )
12
399 Statement I: Aniline on reaction with
( mathrm{NaNO}_{2} / mathrm{HCl} ) at ( 0^{circ} mathrm{C} ) followed by
coupling with ( beta ) -naphthol gives a dark blue coloured precipitate. Statement II: The colour of the
compound formed in the reaction of
aniline with ( mathrm{NaNO}_{2} / mathrm{HCl} ) at ( 0^{circ} mathrm{C} )
followed by coupling with ( beta ) -naphthol.
A. Statement I and statement II are true and statement is the correct explanation of statement
B. Statement I and statement II are true and state is not the correct explanation of statement
c. statementl is true and the statement ll is false
D. statement I is false and the statement II is true
12
400 Secondary amines can be prepared by:
A. reduction of nitro compounds
B. reduction of amides
c. reduction of isonitriles
D. reduction of nitriles
12
401 The increasing order of ( p K_{b} ) for the
following compounds will be :
Refer above image.
( (mathbf{A}) )
( (mathbf{B}) )
(C) ( mathbf{C H}_{3} mathbf{N H C H}_{3} )
A. ( (A)<(B)<(C) )
B. ( (C)<(A)<(B) )
c. ( (B)<(C)<(A) )
D. ( (B)<(A)<(C) )
12
402 8
8
8
6
12
403 0.5 Benzylamine may be alkylated as shown in the following equation?
| C,H,CHANH, + R x C H CHÁNHR
Which of the following alkyl halides is best suited for this reaction
through Sn 1 mechanism?
(a) CH,Br
(b) CH Br
(c) CH CH Br
(d) CH Br
12
404 ( r, s, t ) are respectively :
( mathbf{A} cdot C O_{2}, H C l, A l C l_{3} )
в. ( operatorname{Me} O H / stackrel{oplus}{H}, H C N / H C l, H_{3} O^{oplus} )
( mathrm{c} cdot mathrm{CH}_{3} mathrm{Cl} / mathrm{AlCl}_{3}, mathrm{CrO}_{2} mathrm{Cl}_{2}, mathrm{H} )
( mathrm{D} cdot mathrm{NO}_{2}^{+}, operatorname{Sn} / mathrm{HCl}, mathrm{CuCN} )
12
405 Question 4. Arrange the following in increasing order of their basic
strength :
(i) C2H5NH2, COHNH, NH3, CHECH, NH, and (CH3)2NH
(ii) C2H5NH), (CAH),NH, (CH2),N, CH-NH,
(111) CH3NH2, (CH3)2NH, (CH3)2N, CH3NH2, C,HCH2NH2
(a) Presence of electron donating R group increases the basicity of
amines. However, 3º amines in aqueous solution are less basic due to
steric hindrance.
(b) Aliphatic amines are more basic than aromatic bases because in
later lone pair takes part in delocalization, so less available for
donation.
TTT
12
406 Which of the following would not react
with benzene sulphonyl chloride in aq.
NaOH ?
A. Aniline
B. Methylamine
c. ( N, N ) -dimethyl aniline
D. ( N ) -methyl aniline
12
407 Identify the compound (C).
( mathbf{A} )
( B )
( c )
D. None
12
408 Question 7. Write the chemical reaction of aniline with benzoyl
chloride and write the name of the product obtained.
Os Elimination of HCl and formation of amide (-CO-NH-> linkage.
12
409 Methylamine reacts with ( H N O_{2} ) to
form:
A ( cdot C H_{3}-O-N=O )
В. ( C H_{3}-O-C H_{3} )
( mathbf{c} cdot C H_{3} O H )
D. ( C H_{3} C H O )
12
410 ( frac{frac{sqrt{1}}{12}}{frac{11}{12}} ) 12
411 Hoffmann bromamide reaction is used
to convert:
A. An organic compound into lower homologue
B. An organic compound into higher homologue
C. A lower alkane into higher alkene
D. None of these
12
412 CHCl3 + Alc. KOH
122.
> Major product:
ÇIDH
NO
12
413 How does the formation of ( 2^{circ} ) and ( 3^{circ} )
amines can be avoided during the
preparation of ( 1^{circ} ) amines by alkylation?
12
414 Which of the following is the strongest
base?
( A )
в.
( c )
D.
12
415 The IUPAC name of the given structure
is:
A. N-methyl-N-ethyl ethanamine
B. diethyl methanamine
c. N-ethyl-N-methyl ethanamine.
D. methyl diethyl ethanamine
12
416 Write IUPAC name of the given
compound:
( boldsymbol{C}_{6} boldsymbol{H}_{5}-boldsymbol{N} boldsymbol{H}-boldsymbol{C}_{6} boldsymbol{H}_{5} )
12
417 An organic compound ( (A) ) of molecular
formula ( C_{2} H_{5} N O ) reacts with
( B r_{2} / N a O H ) to give compound ( (B) ) of molecular formula ( boldsymbol{C} boldsymbol{H}_{5} boldsymbol{N} .(boldsymbol{A}) ) is
reduced by ( L i A l H_{4} ) to give cmpound
( (C) ) of formula ( C_{2} H_{7} N . ) Identify ( (A),(B) ) and ( (C) )
12
418 How will you bring about the following conversion?
4-nitroaniline to 1,2,3 -tribromobenzene
12
419 Q. 68 Assertion (A) Acylation of amines give
rtion (A) Acylation of amines gives a monosubstituted product
whereas alkylation of amines gives polysubstituted produ
eason (R) Acyl group sterically hinders the approach of further acyl
groups.
12
420 Find product in the following reaction is
Y. What is Y?
A. benzamide
B. benzophenone
( c . ) benzoic acid
D. benzaldehyde
12
421 Q. 34 Which of the following amines can be prepared by Gabriel synthesis:
(a) Isobutyl amine
(b) 2-phenylethylamine
Id N-methylbenzylamine
(d) Aniline
Ansta
12
422 Give one chemical test to distinguish between the following pairs of compounds.
(i) Methylamine and dimethylamine
(ii) Secondary and tertiary amines
(iii) Ethylamine and aniline
(iv) Aniline and benzylamine
(v) Aniline and N-methylaniline.
12
423 Write the reactions involved in
the Diazotisation.
12
424 rion (A) Aromatic 1° amines can be prepared by Gabriel phthalimide
synthesis.
eason (R) Aryl halides undergo nucleophilic substitution with anion
formed by phthalimide.
12
425 0.49 Predict the product of
dict the product of reaction of aniline with bromine in non-polar
solvent such as CS.
12
426 Q. 33 Arenium ion involved in the bromination of aniline is ……….
NH2
NH2
NH2
NH2
H
Br
H
Br
T
00
HBr
12
427 Which of the following reactions belong to electrophilic aromatic
substitution?
(a) Bromination of acetanilide
(b) Coupling reaction of aryldiazonium salts
(c) Diazotisation of aniline
(d) Acylation of aniline
12
428 Question 5. Arrange the following compounds in increasing order of
dipole moment. CH3CH,CH3, CH2CH2NH, CH,CHOH
12
429 Which of the following is the ( 3^{circ} ) amine?
A ( cdotleft(C H_{3}right)_{3} N )
в. ( left(C H_{3}right)_{2} N H )
c. ( left(C H_{3}right) N H_{2} )
D. ( N H_{3} )
12
430 Q. 69 Assertion (A) Hofmann’s bromamide reaction is given by primary amine
Reason (R) Primary amines one more basic than secondary amines
rona
12
431 Account for the following:
(i) Primary amines ( left(boldsymbol{R}-boldsymbol{N} boldsymbol{H}_{2}right) ) have
higher boiling point than tertiary
( operatorname{amines}left(boldsymbol{R}_{3} boldsymbol{N}right) )
(ii) Aniline does not undergo Friedel-
Crafts reaction.
(iii) ( left(C H_{3}right)_{2} N H ) is more basic than
( left(C H_{3}right)_{3} N ) in an aqueous solution
12
432 ( sigma_{i}^{i} )
( Phi_{i}^{i} )
( Phi_{i-i}^{i-1} )
( sigma_{i}^{i} )
12
433 Which of the following statements is
not correct?
A. Primary amines show intermolecular hydrogen bonding.
B. Secondary amines show intermolecular hydrogen bonding
C. Tertiary amines show intermolecular hydrogen bonding.
D. Amines have lower boiling points as compared to those of alcohols and carboxylic acids of comparable molar masses.
12
434 Which of the following orders is correct regarding basicity of indicated molecules?
A. N, N – Dimethyltoluidine > p – toluidine >aniline > p nitroaniline
B. Aniline > N, N – dimethyl- p – toluidine > p – toluidine > aniline
c. p – Toluidine > N, N – dimethyl – p – toluidine > aniline
– nitroaniline
D. N, N-Dimethyltoluidine > aniline > p -toluidine > p nitroaniline
12
435 ( frac{sqrt{2}}{8} ) 12
436 Which of the following compound is
amphoteric in nature?
( A )
( mathrm{C}_{2} mathrm{H}_{5}-mathrm{NH}-sqrt{0} )
в. ( C H_{3} ) СООН
c.
D. ( C H_{3} C O N H_{2} )
12
437 Aniline is reacted with bromine water
and the resulting product is treated with an aqueous solution of sodium nitrite in presence of dilute hydrochloric acid. The compound so formed is reacted with a tetrafluoroborate which
is subsequently heated. The final
product is:
A. ( p ) – bromoaniline
в. ( p ) – bromofluorobenzene
c. ( 1,3,5- ) tribromobenzene
D. ( 2,4,6- ) tribromofluorobenzene
12
438 Which of the following statement is not
true?
( mathbf{A} cdot C H_{3} C H_{2} N H_{2} ) is ethanamine
B. ( C H_{2} C H_{2} O H ) is an ether
C . Cyclopentane and 2-pentene have a molecular formula of ( C_{5} H_{10} )
D. Alkenes an alkynes are unsaturated
12
439 The major product of the reaction
between m-dinitrobenzene and
( N H_{4} H S ) is:
( mathbf{A} )
B.
( c )
D.
12
440 Question 1. Classify the following amines as primary, secondary or
tertiary:
N(CH3)2
NH2
(i) (CH3)2CHNH, (iv) (CH3)2NH
Primary amine contains-NHgroup: secondary amine NH group:
tertiary amine Ngroup.
2
12
441 Write the reactions of (i) aromatic and
(ii) aliphatic primary amines with nitrous acid.
12
442 The order of basic strength of the given
basic nitrogen atoms is :
A ( . I I I>I I>I>I V )
В. ( I I I>I>I I>I V )
c. ( I>I I I>I I>I V )
D. ( I I>I I I>I>I V )
12
443 Primary amines have higher boiling points than tertiary amines If this is true enter 1 , if false enter 0 . 12
444 Compound (C) is
Solid ( (mathrm{B}) )
Contains ( 67.8 % ) of ( mathrm{Br} ) )
One mono ( ll ) Nitration
nitro compound
in. Compound (C) [Isomer of (A)] Compound (D)
(Contains ( 76,4 % ) of ( B ) f)
[
begin{array}{l}
text { One mono } leftarrow text { Nitration } \
text { nitro compound }
end{array}
]
12
445 Reaction of acetamide with bromine
water and ( K O H ) gives:
A. ( C H_{3} ) СООН
в. ( C H_{3} C H_{2} N H_{2} )
c. ( C H_{3} C O O N H_{4} )
D. ( C H_{3} N H_{2} )
12
446 0-
00
NMe2
NMe2
heat
ME;
(A),
heat
Ph
E:
Ph
98%
(syn)
(Anti)
Ph .
Ph
(P)
(Q)
Product (A) and (B) of the above reaction is:
(a) A = P, B =P (b) A=Q, B = Q
(c) A= P, B = Q (d) A=Q, B =P
12
447 Q. 21 Chloromethane on treatment with excess of ammon
on treatment with excess of ammonia yields mainly
CH
(a) N,N-dimethylmethanamine CHN
(b) N-methylmethanamine (CH-NH-CH3)
(c) methanamine (CH3NH2)
(d) mixture containing all these in equal proportion
thomine
12
448 Write the structure of prop( -2-e n- )
( 1- ) amine
12
449 Identify the products. 12
450 What is the action of the following
reagents on aniline?
Hot and conc. sulphuric acid.
12
451 Arrange the following in the increasing order of basic strength:
¡)Aniline
ii)p-nitroaniline
iii)p-toluidine
A. is iis iii
B. iiciciii
D. iii <iisi
12
452 V. 7 In order to prepare a 1° amine from an alkyl halide with simultaneous
addition of one CH, group in the carbon chain, the reagent used as source
of nitrogen is ……….
(a) sodium amide, NaNH
(b) sodium azide, NaN;
(c) potassium cyanide, KCN
(d) potassium phthalimide CHA(CO) NK
Ane Gallardor
T
i multaneou addition of one
12
453 toppr
Q Type your question
electrons via the nitrogen-nitrogen
double bonds.

The azo dye obtained on reacting 4
aminophenol with nitrous acid (in
dilute hydrochloric acid) below ( 10^{circ} mathrm{C} )
and coupling the resulting diazonium
salt with phenol is:
( mathbf{A} )
B.
( mathbf{c} )
( D )

12
454 0.26 Which of the following should be most volatile?
I. CH2CH2CH2NH2
II. (CH3)2N
IV. CH3CH2CH3
III. CH₃ CH
CH3CH2NH
CH3
(a) II
(b) IV
(c) 1
(d) III
12
455 Question 1. Write IUPAC names of the following compounds
classify them into primary, secondary and tertiary amines.
(i) (CH3)2CHNH,
(ii) CH (CH2)2NH2
(iii) CH3NHCH(CH3)2 (iv) (CH3)3 CNH2
(v) C6H5NHCHZ
(vi) (CH2CH2)2NCH3
(viii) m-BrCH NH,
(1) Recall the rules of IUPAC nomenclature and write their name.
(2) Glassify them as 10. 2º. 3º (primary, -NH2, secondary “NH, tertiary
AN)
… A l 2 NH tin CH, CH CH–NH,
12
456 How many primary amines are possible
for the formula ( boldsymbol{C}_{4} boldsymbol{H}_{11} boldsymbol{N} ) ?
A. one
B. Two
c. Three
D. Four
12
457 Account for the following:
(a) Gabriel phthalimide synthesis is not preferred for preparing aromatic primary amines.
(b) On reaction with benzene sulphonyl chloride, primary amine yields product soluble in alkali whereas secondary amine yields product insoluble in alkali
12

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