MCQ Questions Class 12 Chemistry | Chapter -Amine Class 12 MCQ with answer

Q.Chloroform and ethanolic KOH is used as a reagent in the following

(i)Hoffmann carbylamine reaction
(ii)Hoffmann degradation reaction
(iii)Reimer-Tiemann reaction
(iv)Hoffmann mustard oil reaction
(A)Only for (i)
(B)Only for (i) and (ii)
(C)Only for (ii) and (iv)
(D)Only for a and (iii)

Q.Acetanilide when treated with bromine in acetic acid mainly gives:

(A) o-Bromoacetanilide
(B) N-Bromoacetanilide
(C) p-Bromoacetanilide
(D) m-Bromoacetanilide

Q.Aromatic niriles (ArCN) are not prepared by reaction

(A)ArX + KCN
(B)ArN₂⁺ + CuCN
(C)ArCONH₂ + P₂O₅
(D)ArCONH₂ + SOCl₂

Q.Which of the following compound gives an exlosive on decarboxylation:

(A)2, 4, 6-Trinitrobenzoic acid
(B)2, 4-Dinitrobenzoic acid
(C)o-Aminobenzoic acid
(D)o-Hydroxybenzoic acid

Q.The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was:

(A)Methyl isocyanate
(B)Methylamine
(C)Ammonia
(D)Phosgene

Q.Reaction of RCN with sodium and alcohol leads to the formation of:

(A)RCONH₂
(B)RCOO^–NH₄⁺
(C)R-CH₂-NH₂
(D)R(CH₂)₃-NH₂

Q.

, in the above sequence Benzene from B, is suitably obtained by using:

(A)Ethanol
(B)H₃PO₂
(C)Both the above
(D)Methanol

Q.Which of the following is used as a solvent in the Friedel-Crafts reaction:

(A)Toluene
(B)Nitrobenzene
(C)Benzene
(D)Aniline

Q.In the Sandmeyer’s reaction, -N=N-X group of diazonium salt is replaced by:

(A)Halide group
(B)Nitro group
(C)-OH group
(D)-NHNH₂ group

Q.Which one of the following on reduction with LiAlH₄ yields a secondary amine

(A)Methyl isocyanide
(B)Acetamide
(C)Methyl cyanide
(D)Nitro ethane

Q.Which of the following statements about primary amines is ‘False’

(A)Alkyl amines are stronger bases than ammonia
(B)Alkyl amines are stronger bases than aryl amines
(C)Alkyl amines react with nitrous acid to produce alcohols
(D)Aryl amines react with nitrous acid to produce phenols