NCERT MCQ CLASS-12 CHAPTER-13 | CHEMISTRY NCERT MCQ | AMINES | EDUGROWN

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

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

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?

(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?

(a) Aniline
(b) Phenol
(c) Benzene
(d) Benzenediazxonium chloride

Answer: (a) Aniline

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