Question

give the preparation of benzaldehyde from benzene​

Answer 1

Answer:

Benzaldehyde can be prepared from benzene by passing vapours of CO and HCl in its solution in presence of catalyst mixture of AlCl3 and CuCl.

Answer 2

Answer:

Benzaldehyde can be prepared from benzene by, passing vapours of CO and HCI in a solution of catalyst mixture of AICI3 and CuCi