1. Tardigrade
  2. Question
  3. Chemistry
  4. Assertion: Etard reaction helps to stop the oxidation of toluene at the aldehyde stage. Reason: Chromyl chloride oxidises methyl group to a chromium complex, which on hydrolysis gives corresponding benzaldehyde.

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Q. Assertion: Etard reaction helps to stop the oxidation of toluene at the aldehyde stage.
Reason : Chromyl chloride oxidises methyl group to a chromium complex, which on hydrolysis gives corresponding benzaldehyde.

Aldehydes Ketones and Carboxylic Acids

Solution:

When toluene is treated with chromyl chloride in $C S 2$, brown chromium complex is formed, which on hydrolysis gives benzaldehyde.
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