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KVPY2020ChemistryAldehydes and Ketones

Among the following, the compounds which can be reduced with formaldehyde and conc. aq. KOH , are:

Options

  1. Aonly II and V
  2. Bonly I and V
  3. Conly II and III
  4. Donly I ,   II and IV

Correct answer

A. only II and V

Step-by-step solution

Aldehyde without a - H give Cannizaro reaction. In Cannizaro reaction alcohol and carboxylic acid salt is formed.

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