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NEET2022ChemistryAldehydes and KetonesActual

Which of the following reactions is not an example for nucleophilic addition-elimination reaction?

Options

  1. ACH ₃ CHO + NaHSO ₃ CH ₃- ~OH | | H C - OSO ₂ Na
  2. BCH ₃ CHO + NH ₂ OH CH ₃ CH = N - OH + H ₂ O
  3. CCH ₃ CHO + C ₆ H ₅ NHNH ₂ CH ₃ CH = N - NHC ₆ H ₅+ H ₂ O
  4. DCH ₃ CHO + NH ₃ CH ₃ CH = NH + H ₂ O

Correct answer

A. CH ₃ CHO + NaHSO ₃ CH ₃- ~OH | | H C - OSO ₂ Na

Step-by-step solution

Nucleophilic addition - elimination reaction is associated with elimination of H ₂ O . Here the above reaction is an addition reaction.

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