Q. The formylation of certain aromatic compounds using carbon monoxide and in presence of cuprous chloride is known as Gattermann-Koch reaction and the product of this reaction is represented as:
Solution:
Benzene is converted to benzaldehyde by passing a mixture of carbon monoxide and hydrochloric acid gas in the presence of anhydrous and traces of cuprous chloride. This reaction is known as Gattermann-Koch reaction
