Class 12 Chemistry Chapter 13 Amines MCQs In English

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Class 12 Chemistry Chapter 13 Amines MCQs In English

Q1. The most convenient method to prepare
primary amine containing one carbon atom
less is

• (A) Gabriel phthalimide synthesis
• (B) Reductive amination of aldehydes
• (C) Hofmann bromamide reaction
• (D) Reduction of azonitriles

Q2. When excess of ethyl iodide is treated with
ammonia, the product is

• (A) ethylamine
• (B) diethyl amine
• (C) triethylamine
• (D) tetraethylammonium iodide

Q3. Amides may be converted into amines by a
reaction named after

• (A) Hofmann Bromide
• (B) Claisen
• (C) Perkin
• (D) Kekune

Q4. Which of the following amides will give
ethylamine on reaction with sodium
hypobromide?

• (A) Butanamide
• (B) Propanamide
• (C) Acetamide
• (D) Benzamide

Q5. Tertiary amines have lowest boiling points amongst isomeric amines because

• (A) they have highest molecular mass
• (B) they do not form hydrogen bonds
• (C) they are more polar in nature
• (D) they are most basic in nature

Q6. Electrophilic substitution of aniline with bromine water at room temperature gives

• (A) 2-bromoaniline
• (B) 3-bromoaniline
• (C) 2, 4, 6-tribromoaniline
• (D) 3, 5, 6-tribromoaniline

Q7. Reduction of aromatic nitro-compounds using
Sn and HCl gives

• (A) aromatic primary amines
• (B) aromatic secondary amines
• (C) aromatic tertiary amines
• (D) aromatic amides

Q8. What is obtained when benzoyl chloride reacts
with aniline in the presence of sodium
hydroxide?

• (A) Benzoic acid
• (B) Benzanilide
• (C) Acetanilide
• (D) Azobenzene

Q9. Acetylation of a secondary amine in alkaline
medium yields

• (A) N, N-dialkyl acetamide
• (B) N, N-dialkyl amine
• (C) N, N-dialkyl amide
• (D) acetyl dialkyl amine

Q10. Primary, secondary and tertiary amines may
be separated by using

• (A) iodoform
• (B) diethyloxalate
• (C) benzene sulphonyl chloride
• (D) acetyl chloride

Class 12 Chemistry MCQ Questions of Amines with Answers

Q11. An organic compound (X) was treated with
sodium nitrite and HCl in ice cold conditions.
Bubbles of nitrogen gas were seen coming
out. The compound (X) may be

• (A) a secondary aliphatic amine
• (B) a primary aromatic amine
• (C) a primary aliphatic amine
• (D) a tertiary amine

Q12. Cyclohexylamine is stronger base than aniline
become

• (A) in aniline electron pair is involved in
  conjugation
• (B) in cyclohexylamine electron pair is involve
  conjugation
• (C) in aniline-NH, group is protonated
• (D) in cyclohexylamine nitrogen has a negative
  charge

Q13. The reagent which does not react with both,
acetone and benzaldehyde

• (A) Sodium hydrogen sulphite
• (B) Phenyl hydrazine
• (C) Fehling’s solution
• (D) Grignard reagent

Q14. Which of the following compounds wilt give
butanone on oxidation with alkaline
KMnO4 solution?

• (A) Butan-1-ol
• (B) Butan-2-ol
• (C) Both of these
• (D) None of these

Q15. In Clemmensen Reduction carbonyl
compound is treated with

• (A) Zinc amalgam + HCl
• (B) Sodium amalgam + HCl
• (C) Zinc amalgam + nitric add
• (D) Sodium amalgam + HNO3

MCQ Questions for Class 12 Chemistry Chapter 13 Amines In English

Q16. The correct order of increasing acidic strength
is

• (A) Phenol < Ethanol < Chloroacetic acid <
  Acetic acid
• (B) Ethanol < Phenol < Chloroacetic acid <
  Acetic acid
• (C) Ethanol < Phenol < Acetic acid < Chloroacetic acid
• (D) Chloroacetic acid < Acetic acid < Phenol <
  Ethanol

Q17. Nitrogen atom of amino group is ……….
hybridised

• (A) sp
• (B) sp2
• (C) sp3
• (D) sp3d

Q18. The strongest base among the following is

• (A) C₆H₅NH₃
• (B) p-NH₂C₆H₄NH
• (C) m-NO₂C₆H₄NH₂
• (D) C₆H₅CH₂NH₂

Q19. The amines are basic in nature, hence they
form salts with hydrochloric acid. Which of the
following will be insoluble in dil. HCl?

• (A) C₆H₅NH₃
• (B) (C₆H₅)₃N
• (C) C2H₅NH₂
• (D) CH₃NHCH₃

Q20. Which of the following is amphoteric in nature?

• (A) CH₃NH₂
• (B) CH₃NHCH₃
• (C) CH₃CONH₂
• (D) CH₃NH₃

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Class 12 Chemistry Objective Question In English

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Chemistry Class 12 Chapter 13 Objective Questions in English