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AMINES MCQs

Total Questions : 20 | Page 2 of 2 pages
Question 11. Aqueous solutions of ammonia, ethylamine and phenylamine are prepared
  1.    ammonia > ethylamine > phenylamine
  2.    ammonia > phenylamine > ethylamine
  3.    ethylamine > ammonia > phenylamine
  4.    ethylamine > phenylamine > ammonia
 Discuss Question
Answer: Option C. -> ethylamine > ammonia > phenylamine
Question 12. In Gabriel Phthalimide synthesis , Phthalimide can be converted into
  1.    primary amine
  2.    secondary amine
  3.    tertiary amine
  4.    quaternary amines
 Discuss Question
Answer: Option A. -> primary amine
Question 13. Carbylamine reagent is
  1.    CHCL3
  2.    CHCL3 + Br2
  3.    CHCl3 + KOH
  4.    CHCL3 + KCL
 Discuss Question
Answer: Option C. -> CHCl3 + KOH
Question 14. NaNO2 + HCL is used in
  1.    Alkylation
  2.    Acylation
  3.    Diazotization
  4.    Friedel Craft
 Discuss Question
Answer: Option C. -> Diazotization
Question 15. Aniline and N methylaniline can be distinguish by
  1.    Hinsberg reagent
  2.    Nitrous acid
  3.    Carbylamine test
  4.    Azo dye test
 Discuss Question
Answer: Option C. -> Carbylamine test
Question 16. Which is the incorrect statement in the following ?
  1.    Methylamine is more basic than ammonia
  2.    Amines from hydrogen bonds
  3.    Ethylamine has higher boiling point than propane
  4.    Dimethylamine is less basic than methylamine .
 Discuss Question
Answer: Option D. -> Dimethylamine is less basic than methylamine .
Question 17. The correct order of basic strengths is :
  1.    CH3NH2 > (CH3)2 NH > (CH3)3N
  2.    (CH3)3N > (CH3)2 NH > CH3NH2
  3.    (CH3)2 NH > (CH3)NH2 > (CH3)3N
  4.    (CH3)3N > CH3NH2 > (CH3)2NH
 Discuss Question
Answer: Option C. -> (CH3)2 NH > (CH3)NH2 > (CH3)3N
Question 18. Arrange the basic strength of the following compound in ascending order
  1.    III< I< II
  2.    II< III< I
  3.    II< I< III
  4.    I< III< II
 Discuss Question
Answer: Option A. -> III< I< II
Question 19. A reaction in which a primary amine is formed from primary amide is called
  1.    Hoffmann bromamide reaction
  2.    CARBYLAMINE
  3.    AZO DYE TEST
  4.    NITRATION
 Discuss Question
Answer: Option A. -> Hoffmann bromamide reaction
Question 20. Amines can be prepared from the following reactions except ______
  1.    reduction of nitriles
  2.    reduction of amides
  3.    reduction of nitro compounds
  4.    reduction of carboxylic acids
 Discuss Question
Answer: Option D. -> reduction of carboxylic acids

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