JEE · NEET Previous Year Question

Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is :

Topic: NEET PYQ

Answer: B. Full step-by-step solution below.

  1. Aa Grignard reagent
  2. Bhydrazine in presence of feebly acidic solution
  3. Chydrocyanic acid
  4. Dsodium hydrogen sulphite

Correct answer: B

Solution

(b) With Ammonia derivation carbonyl compounds give addition followed by elimination reaction. Sligtly acidic medium will generate a nucleophilic centre for weak base like ammonia derivatives.

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