Question

what is the action of chlorin (cl2) on benzene.

Answer 1

Benzene when reacts with Cl2 in the presence of AlCl3 formschlorobenzene. One of the hydrogen of benzene gets substituted by Cl+ andforms chlorobenzene along with HCl as byproduct. The lewis acid acts as a catalyst in the reaction. It forms an anionic complex with Cl- from Cl2 to form AlCl4- and gives Cl+.