Which of the following is involved in Sandmaryer's reaction ?

Options

A. ferrous salt
B. diazonium salt
C. ammonium salt
D. cupromonium salt.

Answer

B

Explanation

Aryl halides can be prepared by the decomposition of aryl dizonium salts in presence of copper halides solution dissolved in the corresponding halogen acid, the diazo group is replaced by a halogen atom. This reaction is known as Sandmeyer reaction .