Question

conversion of chlorobenzene to benzonitrile​

Answer 1

Explanation:

ONE OR TWO NITRILE GROUPS CAN BE INTRODUCED ONTO AROMATIC (CARBOCYCLIC) RINGS BY REACTION BETWEEN HALOGENATED AROMATIC COMPOUNDS (OTHER THAN FLUORINATED), CARBON MONOXIDE AND A METAL CYANATE IN THE PRESENCE OF A NICKELOR PALLADIUM-CONTAINING CATALYST. FOR EXAMPLE, BENZONITRILE CAN BE PREPARED FROM CHLOROBENZENE, SODIUM CYANATE AND CARBON MONOXIDE IN THE PRESENCE OF A NICKEL SALT.