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MHT CET202014 Oct 2020Evening ShiftChemistryAldehydes and KetonesActual

Chromyl chloride converts methyl group to a chromium complex, which on acid hydrolysis gives corresponding aldehyde. This reaction is called

Options

  1. AStephen reaction
  2. BWolff-Kishner reaction
  3. CEtard reaction
  4. DRosenmund reaction

Correct answer

C. Etard reaction

Step-by-step solution

When toluene is treated with solution of chromyl chloride ( CrO ₂ Cl ₂ ) in CS ₂ , brown chrominum complex is obtained, which on acid hydrolysis gives benzaldehyde. This reaction is called Etard reaction.

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