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MHT CET202617 April 2026Evening ShiftChemistryHydrocarbonsActual

Identify the product 'B' in the following reaction Toluene Chromyl chloride / CS ₂ A H ₃ O ^+ B

Options

  1. ABenzal chloride
  2. BBenzaldehyde
  3. CBenzyl alcohol
  4. DBenzoic acid

Correct answer

B. Benzaldehyde

Step-by-step solution

The given reaction is the Etard reaction. Toluene reacts with chromyl chloride ( CrO ₂ Cl ₂ ) in a non-polar solvent like CS ₂ to form a brown chromium complex A . The chromium complex A on hydrolysis with H ₃ O ^+ gives benzaldehyde B . Therefore, the product B is benzaldehyde. Answer: Benzaldehyde

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