Conversion of benzene diazonium chloride to chlorobenzene is an example of which of the following reactions?

What is the name of the reaction involving the replacement of a diazonium group by a chloride ion using a cuprous $(I)$ salt?

Write the structures and names of the compounds formed when compound $A$ with molecular formula $C_7H_8$ is treated with $Cl_2$ in the presence of $FeCl_3$.

Nitration of toluene is followed by reduction with $Sn + HCl$. The product obtained is then subjected to diazotization followed by heating with $Cu_2Br_2 + HBr$. What is the final product?

Why can aryl halides not be prepared by the reaction of phenol with $HCl$ in the presence of $ZnCl_{2}$?

Industrially,chlorobenzene is prepared by: