Question

A reaction in which chromyl chloride in presence of CS₂ converts methyl group of toluene to aldehydic group on acid hydrolysis is called _________.

Options

• Stephen reaction

• Etard reaction

• Rosenmund reduction

• Gatterman - Koch fonnylation

Answer 1

A reaction in which chromyl chloride in presence of CS₂ converts methyl group of toluene to aldehydic group on acid hydrolysis is called Etard reaction.

Explanation:

This is known as Etard reaction.