In This Post we are  providing Chapter-13 Amines  NCERT MCQ for Class 12 Chemistry which will be beneficial for students. These solutions are updated according to 2021-22 syllabus. These MCQS  can be really helpful in the preparation of Board exams and will provide you with a brief knowledge of the chapter.

NCERT MCQ ON AMINES

Question 1.
Nitrogen atom of amino group is ………. hybridized.

(a) sp
(b) sp2
(c) sp3
(d) sp3d

Answer: (c) sp3

Question 2.
Which of the following should be most volatile?

I. CH3CH2CH2NH2
II. (CH3)3N
MCQ Questions for Class 12 Chemistry Chapter 13 Amines with Answers 1


IV. CH3CH2CH3
(a) II
(b) IV
(c) I
(d) III

Answer: (b) IV

Question 3.
C3H8N cannot represent

(a) 1° ammine
(b) 2° ammine
(c) 3° ammine
(d) quaternary ammonium salt

Answer: (d) quaternary ammonium salt

Question 4.
Identify the correct IUPAC name

(a) (CH3CH2)2NCH3 = N-Ethyl-N-methylethanamine
(b) (CH3)3CNH2 = 2-methylpropan-2-amine
(c) CH3NHCH (CH3)2 = N-Methylpropan-2-amine
(d) (CH3)2CHNH2 = 2, 2-Dimethyl-N-propanamine

Answer: (a) (CH3CH2)2NCH3 = N-Ethyl-N-methylethanamine

Question 5.
The most convenient method to prepare primary (i Amine) amine containing one carbon atom less is

(a) Gabriel phthalimide synthesis
(b) Reductive amination of aldehydes
(c) Hofmann bromamide reaction
(d) Reduction of isonitriles

Answer: (c) Hofmann bromamide reaction

Question 6.
Identify the correct pathway to convert propanoic acid to ethylamine. The reagent represented by A, B and C are

MCQ Questions for Class 12 Chemistry Chapter 13 Amines with Answers 2

Answer: (b)

Question 7.
When excess of ethyl iodide is treated with ammonia, the product is

(a) ethylamine
(b) dimethylamine
(c) triethylamine
(d) tetraethylammonium iodide

Answer: (d) tetraethylammonium iodide

Question 8.
Amides may be converted into amines by a reaction named after

(a) Hofmann Bromide
(b) Claisen
(c) Perkin
(d) Kerulen

Answer: (a) Hofmann Bromide

Question 9.
Reduction of CH3CH2NC with hydrogen in presence of Ni or Pt as
catalyst gives
(a) CH3CH2NH2
(b) CH3CH2NHCH3
(c) CH3CH2NHCH2CH3
(d) (CH3)3N

Answer: (b) CH3CH2NHCH3

Question 10.
Secondary amines can be prepared by

(a) reduction of nitro compounds
(b) oxidation of N-substituted amides
(c) reduction of isonitriles
(d) reduction of nitriles

Answer: (c) reduction of isonitriles

Question 11.
Which of the following amides will give ethylamine on reaction with sodium hypo bromide?

(a) Butanamide
(b) Propanamide
(c) Acetamide
(d)Benzamide

Answer: (b) Propanamide

Question 12.
Benzoic acid is treated with SOCl2 and the product (X) formed is reacted with ammonia to give (Y). (Y) on reaction with Br2 and KOH gives (Z). (Z) in the reaction is

(a) aniline
(b) chlorobenzene
(c) benzamide
(d) benzoyl chloride

Answer: (a) aniline

Question 13.
Which one of the following reducing agents is likely to be most effective in bringing about the following change?
MCQ Questions for Class 12 Chemistry Chapter 13 Amines with Answers 3

(a) H2-Ni
(b) NaBH4
(c) LiAlH4 ether
(d) Na-Alcohol

Answer: (c) LiAlH4 ether

Question 14.
Amine that cannot be prepared by Gabricl-Phthalmidie synthesis is

(a) aniline
(b) benzyl amine
(c) methyl amine
(d) iso-butylamine

Answer: (a) aniline

Question 15.
What is the end product in the following sequence of reactions?

MCQ Questions for Class 12 Chemistry Chapter 13 Amines with Answers 4
(a) Aniline
(b) Phenol
(c) Benzene
(d) Benzenediazxonium chloride

Answer: (a) Aniline





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