Which of the following undergoes reaction with $50 \%$ sodium hydroxide solution to give the corresponding…

Which of the following undergoes reaction with $50 \%$ sodium hydroxide solution to give the corresponding alcohol and acid?
  1. Phenol
  2. Benzoic acid
  3. Butanal
  4. Benzaldehyde

Solution

Benzaldehyde does not contain $\alpha$ - hydrogen. Hence goes for cannizarro's reaction forming alcohol and acid

Asked in: JEE Main 2004

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