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The oxidation of toluene to benzoic acid can be stopped at the aldehyde stage to give benzaldehyde. The reagent used for the purpose is one of the following. -

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Question

The oxidation of toluene to benzoic acid can be stopped at the aldehyde stage to give benzaldehyde. The reagent used for the purpose is one of the following.

Options

  • Chlorine

  • Carbon monoxide and hydrogen chloride

  • Chromyl chloride

  • Chromic oxide

MCQ

Solution

Chromyl chloride

Explanation:

This is Etard Reaction.

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