Class 12 Chemistry Aldehydes Ketones Acids Chemical properties of aldehydes and ketones
  • Nucleophilic addition reaction with loss of water molecule

In these reactions, mainly the reaction occurs with ammonia and its derivatives. The general reaction involved is:


  •      Reaction with hydroxylamine (NH2OH): Oxime is formed



  • Reaction with hydrazine (NH2NH2):Hydrazones are formed


  •  Reaction with phenyl hydrazine: (phenyl hydrazone is formed )


  • Reaction with 2,4 dinitrophenylhydrazine: orange crystals are formed


  • Reaction with semi carbazide (NH2NHCONH2):semi carbazone is formed


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