What is the product of the reduction of benzoyl chloride with $H_2/Pd-BaSO_4$?

In the reaction sequence $CHCl_3$ $\xrightarrow{Air/hv} x$ $\xrightarrow[Excess]{C_6H_6 / Anhy. AlCl_3} y$,$y$ will be

Consider the following reaction:
$C_6H_5COCl \xrightarrow{H_2, Pd/BaSO_4} A$
The product $A$ is:

What is $(P)$ in the reaction given below?
$(P)$ $\xrightarrow[\text{(ii) } H_3O^{+}]{\text{(i) } CH_3MgBr} (R)$ $\xrightarrow[\text{(ii) } \Delta]{\text{(i) dil. } NaOH} \text{4-methylpent-3-en-2-one}$

Identify the product formed when benzoyl chloride is reduced by hydrogen using a palladium catalyst poisoned with barium sulphate.

Which of the following represents the Gatterman-Koch reaction?