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Reaction of carbonyl compound with one o...

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

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The correct Answer is:
D
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Reaction of carbonyl compound with one of the following regents involves nuclephilic addition following by elimination of water. The reagent is:

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