Question

Write the Etard reaction with chemical equation.

Hint:

The Etard reaction is typically used to convert methyl groups into aldehyde groups on aromatic rings.

Answer 1

Step 1: Etard Reaction.
The Etard reaction is a chemical reaction in which an aromatic aldehyde (usually toluene) reacts with chromium (VI) chloride (\(CrO_2Cl_2\)) to form an aromatic aldehyde. The reaction is used to introduce an aldehyde group into the aromatic ring. The reaction is: \[ \text{Toluene} + CrO_2Cl_2 \xrightarrow{\text{HCl}} \text{Benzaldehyde} + CrCl_3 \]

Step 2: Conclusion.
The Etard reaction is important in organic synthesis for the oxidation of methyl groups to form aldehydes.