Industrially,chlorobenzene is prepared by:

The reaction $ArN_2^+ Cl^- + Cu + HCl \longrightarrow ArCl + N_2 + CuCl$ is known as:

Which of the following are intermediates in the Sandmeyer reaction?
$(i)$ $C_6H_5N^{+} \equiv NCl^{-}$
$(ii)$ $C_6H_5N^{+} \equiv N$
$(iii)$ $\overset{\centerdot }{C}_6H_5$
$(iv)$ $C_6H_5Cl$

Give the preparation of haloarenes from amine compounds.

Which reaction is used to convert benzene diazonium chloride to bromobenzene?

Describe the preparation of aryl halides from aromatic hydrocarbons and from amines via the Sandmeyer reaction.