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Reaction of carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
A
hydrocyanic acid
B
sodium hydrogen sulphite
C
a Grignard reagent
D
hydrazine in presence of feebly acidic solution
Detailed Solution
Carbonyl compounds react with ammonia derivatives such as hydrazine (in feebly acidic medium) by nucleophilic addition followed by elimination of water, giving hydrazones.