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NEET2022Chemistry
Q.

Match List-I with List-II.

List-I (Products formed)List-II (Reaction of carbonyl compound with)
(a)Cyanohydrin(i)NHOH
(b)Acetal(ii)RNH
(c)Schiff's base(iii)alcohol
(d)Oxime(iv)HCN

Choose the correct answer from the options given below :

  1. A

    (a)-(ii), (b) - (iii), (c) - (iv), (d)- (i)

  2. B

    (a)-(i), (b) - (iii), (c) - (ii), (d)- (iv)

  3. C

    (a)-(iv), (b) - (iii), (c) - (ii), (d)- (i)

  4. D

    (a) -(iii), (b) - (iv), (c) - (ii), (d)- (i)

Solution

Match each product to the nucleophile that reacts with the carbonyl group.

Cyanohydrin forms when HCN adds to C=O, so (a) maps to (iv).

Acetal forms when two equivalents of alcohol react with C=O under acid catalysis, so (b) maps to (iii).

Schiff's base (imine) forms when a primary amine RNH condenses with C=O, so (c) maps to (ii).

Oxime forms when hydroxylamine NHOH condenses with C=O, so (d) maps to (i).

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