MCQ
Aldehydes and ketones give addition reaction with
  • A
    Hydrazine
  • B
    Phenyl hydrazine
  • C
    Semicarbazide
  • Hydrogen cyanide

Answer

Correct option: D.
Hydrogen cyanide
d
With hydrogen cyanide, carbonyl compounds give nucleophilic addition reaction while with hydrazine, phenyl hydrazine and semicarbazice, they give addition/ elimination reaction.

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