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Year: 2025
Topic: Amines
1.
The correct order of decreasing basic strength of the given amines is :
(1).
benzenamine > ethanamine > N-methylaniline > N-ethylethanamine
(2).
N-methylaniline > benzenamine > ethanamine > N-ethylethanamine
(3).
N-ethylethanamine > ethanamine > benzenamine > N-methylaniline
(4).
N-ethylethanamine > ethanamine > N-methylaniline > benzenamine

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Year: 2025
Topic: Amines
2.
Given below are two statements :
Statement I : Benzenediazonium salt is prepared by the reaction of aniline with nitrous acid at 273 - 278 K. It decomposes easily in the dry state.
Statement Il : Insertion of iodine into the benzene ring is difficult and hence iodobenzene is prepared through the reaction of benzenediazonium salt with KI.
In the light of the above statements, choose the most appropriate answer from the options given below :
(1).
Statement I is incorrect but Statement II is correct
(2).
Both Statement I and Statement II are correct
(3).
Both Statement I and Statement Il are incorrect
(4).
Statement I is correct but Statement Il is incorrect

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Year: 2024
Topic: Amines
3.
Given below are two statements:
Statement I: Aniline does not undergo Friedel-Crafts alkylation reaction.
Statement II: Aniline cannot be prepared through Gabriel synthesis.
In the light of the above statements, choose the correct answer from the options given below:
(1).
Statement I is correct, but Statement II is false
(2).
Statement I is incorrect, but Statement II is true.
(3).
Both Statement I and Statement I are true.
(4).
Both Statement I and Statement II are false.

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Year: 2024
Topic: Amines
4.
Identify the major product C formed in the following reaction sequence:
(1).
\(butanamide\)
(2).
\(\alpha-\text{bromobutanoic acid}\)
(3).
\(propylamine\)
(4).
\(butylamine\)

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Year: 2023
Topic: Amines
5.
Which of the following reactions will NOT give primary amine as the product?
(1).
(2).
(3).
(4).

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Year: 2022
Topic: Amines
6.
Given below are two statements :
Statement I : Primary aliphatic amines react with HNO2 to give unstable diazonium salts.
Statement Il : Primary aromatic amines reactwith HNO2 to form diazonium salts which are stable even above 300 K.
In the light of the above statements, choose the most appropriate answer from the options given below:
(1).
Both Statement I and Statement II are correct.
(2).
Both Statement I and Statement II are incorrect.
(3).
Statement I is correct but Statement II isincorrect.
(4).
Statement I is incorrect but Statement II is correct.

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Year: 2020
Topic: Amines
7.
Which of the following amine will give the carbylamine test ?
(1).
(2).
(3).
(4).

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Year: 2019
Topic: Amines
8.
The correct order of the basic strength of methyl substituted amines in aqueous solution is
(1).
(CH3)3N > CH3NH2 > (CH3)2NH
(2).
(CH3)3N > (CH3)2NH > CH3NH2
(3).
CH3NH2 > (CH3) 2NH > (CH3)3N
(4).
(CH3)2NH > CH3NH2 > (CH3)3N

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Year: 2018
Topic: Amines
9.
Nitration of aniline in strong acidic medium also gives m-nitroaniline because
(1).
in acidic (strong) medium aniline is present as anilinium ion.
(2).
in absence of substituents nitro group always goes to m-position.
(3).
in electrophilic substitution reactions amino group is meta directive.
(4).
inspite of substituents nitro group always goes to only m-position.

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Year: 2017
Topic: Amines
10.
Which of the following reactions is appropriate for converting acetamide to methanamine ?
(1).
Gabriels phthalimide synthesis
(2).
Carbylamine reaction
(3).
Hoffmann hypobromamide reaction
(4).
Stephens reaction

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Year: 2017
Topic: Amines
11.
The correct increasing order of basic strength for the following compounds is
(1).
II < I < III
(2).
II < III < I
(3).
III < I < II
(4).
III < II < I

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Year: 2016
Topic: Amines
12.
The correct statement regarding the basicity of arylamines is
(1).
Arylamines are generally more basic than alkylamines because the nitrogen lone - pair electrons are not delocalized by interaction with the aromatic ring л - electron system.
(2).
Arylamines are generally more basic than alkylamines because of aryl group.
(3).
Arylamines are generally more basic than alkylamines , because the nitrogen atom in arylamines is sp - hybridized.
(4).
Arylamines are generally less basic than alkylamines because the nitrogen lone - pair electrons are delocalized by interaction with the aromatic ring л - electron system.

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