$\begin{array}{1 1} \text{Benzoyl chloride+Bezene +}Alcl_3 \\ \text{Benzoyl chloride+Diphenyl cadmium} \\ \text{Benzoyl chloride+ phenyl magnesium chloride} \\ \text{Bezene +Carbon monoxide}+Zncl_2 \end{array} $
