MolSynapsequestion bank
MolSynapse / Question bank / Aldehydes, Ketones and Carboxylic Acids / Aldol, Cannizzaro, Perkin, Claisen and related condensations
NEET levelSingle correct optionDifficulty 1 of 3co057

Which of the following undergoes the Cannizzaro reaction on heating with concentrated NaOH?

  1. Apropanal
  2. B2-methylpropanal
  3. Cpropanone
  4. D2,2-dimethylpropanal

Answer: D

Cannizzaro reaction needs an aldehyde with no alpha-hydrogen. has none. Propanal, 2-methylpropanal and propanone all have alpha-hydrogens and undergo aldol-type reactions instead.
Practice Aldehydes, Ketones and Carboxylic Acids More on Aldol, Cannizzaro, Perkin, Claisen and related condensations

More questions on Aldol, Cannizzaro, Perkin, Claisen and related condensations