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Amines Class 12 MCQs Questions with Answers
Solving the Amines Multiple Choice Questions of Class 12 Chemistry Chapter 13 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Amines Class 12 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 13 Chemistry Class 12 and cross-check your answers during preparation.
Question 1.
When a primary amine reacts with chloroform in ethanolic KOH, then the product is
(a) isocyanide
(b) aldehyde
(c) cyanide
(d) alcohol
Answer
Answer: (a) isocyanide
Question 2.
Which of the following does not react with Hinsberg reagent?
(a) C2H5NH2
(b) (C2H5)2NH
(c) (C2H5)3N
(d) CH3NH2
Answer
Answer: (c) (C2H5)3N
Question 3.
C6H5N2Cl + CuCN → C6H5CN + N2 + CuCl is
(a) Balz-Schiemann
(b) Gattermann reaction
(c) Simonini reaction
(d) Sandmeyer reaction
Answer
Answer: (d) Sandmeyer reaction
Question 4.
Which of the following is most basic?
(a) Benzylamine
(b) Aniline
(c) Acetanilide
(d) p-nitroaniline
Answer
Answer: (a) Benzylamine
Question 5.
Among the following which one is strongest base?
(a) Ammonia
(b) Methylamine
(c) Ethylamine
(d) None of these
Answer
Answer: (c) Ethylamine
Question 6.
Which of the following compound is the most basic?
Answer
Answer:
Question 7.
The IUPAC name of 
is
(a) N-Ethyl- N-methylbenzenamine
(b) N-Methyl- N-ethylbenzenamine
(c) N, N-Ethyl methyl benzenamine
(d) N, N-Methyl ethyl benzenamine
Answer
Answer: (a) N-Ethyl- N-methylbenzenamine
Question 8.
Gabriel phthalimide reaction is used for the preparation of
(a) 1° amine
(b) 2° amine
(c) 3° amine
(d) all of these
Answer
Answer: (a) 1° amine
Question 9.
Which of the following compound will be formed when aniline reacts with H2SO4?
Answer
Answer:
Question 10.
Which one of the following is most basic?
(a) C6H5NH2
(b) NH3
(c) CH3CH2NH2
(d) CH3NH2
Answer
Answer: (c) CH3CH2NH2
Question 11.
C2H5NH2 + HNO2 → A, A is:
(a) C6H5OH
(b) C2H5NHOH
(c) C2H6
(d) C2H5NO2
Answer
Answer: (a) C6H5OH
Question 12.
(a) Benzoic acid
(b) Aniline
(c) Benzonitrile
(d) Benzylamine
Answer
Answer: (a) Benzoic acid
Question 13.
CH3C ≡ 
p will be?
(a) CH3CH2NC
(b) CH3CH2NH2
(c) CH3NHCH3
(d) CH3NH2
Answer
Answer: (b) CH3CH2NH2
Question 14.
Which of the following compound gives dye test?
(a) Aniline
(b) Methylamine
(c) Diphenylamine
(d) Ethylamine
Answer
Answer: (a) Aniline
Question 15.
Gabriel phthalimide reaction is used for the preparation of
(a) primary aromatic amines
(b) secondary amines
(c) aliphatic primary amines
(d) tertiary amines
Answer
Answer: (c) aliphatic primary amines
Question 16.
The IUPAC name of the compound
(a) 2-Amino-4-ethyl-2-hydroxypent-4-ene
(b) 2-Amino – 4 – ethylpent – 4 – en – 2 – ol
(c) 4-Ethyl – 2 – hydroxypent -4-en – 2 – amine
(d) 2-Amino – 4 – methylhexan – 2 -ol
Answer
Answer: (b) 2-Amino – 4 – ethylpent – 4 – en – 2 – ol
Assertion and Reason Type Questions
The questions given below consist of an assertion and a reason. Use the following key to choose the appropriate answer.
(a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
(b) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).
(c) Assertion (A) is correct, Reason (R) is wrong statement.
(d) Assertion (A) is wrong, but Reason (R) is correct statement.
Question 17.
Assertion: Acylation of amines gives a monosubstituted product whereas alkylation of amines gives polysubstituted product.
Reason: Acyl group sterically hinders the approach of further acyl groups.
Answer
Answer: (c) Assertion (A) is correct, Reason (R) is wrong statement.
Question 18.
Assertion: Hoffmann’s bromamide reaction is given by primary amines.
Reason: Primary amines are more basic than secondary amines.
Answer
Answer: (c) Assertion (A) is correct, Reason (R) is wrong statement.
Question 19.
Assertion: N-Ethylbenzene sulphonamide is soluble in alkali.
Reason: Hydrogen attached to nitrogen in sulphonamide is strongly acidic.
Answer
Answer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
Question 20.
Assertion: N, N-Diethylbenzene sulphonamide is insoluble in alkali.
Reason: Sulphonyl group attached to nitrogen atom is strong electron withdrawing group.
Answer
Answer: (b) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).
Question 21.
Assertion: Only a small amount of HCl is required in the reduction of nitro compounds with iron scrap and HCl in the presence of steam.
Reason: FeCl2 formed gets hydrolysed to release HCl during the reaction.
Answer
Answer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
Question 22.
Assertion: Aliphatic 1° amines can be prepared by Gabriel phthalimide synthesis.
Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.
Answer
Answer: (c) Assertion (A) is correct, Reason (R) is wrong statement.
Question 23.
Assertion: Acetanilide is less basic than aniline.
Reason: Acetylation of aniline results in decrease of electron density on nitrogen.
Answer
Answer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
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