Identify the reaction shown in the image:
$C_6H_5CN \xrightarrow[(ii) H_3O^+]{(i) SnCl_2 + HCl} C_6H_5CHO$

In the reaction $\underset{\text{(Vapour)}}{C_2H_5OH} \xrightarrow[300^{\circ}C]{Cu} X$. The molecular formula of $X$ is

Statement-$I$: Reduction of ester by $DIBAL-H$ followed by hydrolysis gives aldehyde.
Statement-$II$: Oxidation of benzyl alcohol with aqueous $KMnO_4$ leads to the formation of benzaldehyde.
Among the above statements,identify the correct statement.

Match List-$I$ with List-$II$.

List-$I$ (Reagents)	List-$II$ (Reaction Name)
$A$. $H_2, Pd-BaSO_4$	$I$. Etard Reaction
$B$. $SnCl_2, HCl$	$II$. Rosenmund Reduction
$C$. $CrO_2Cl_2, CS_2$	$III$. Gatterman-Koch Reaction
$D$. $CO, HCl, \text{Anhyd. } AlCl_3$	$IV$. Stephen Reaction

Choose the correct answer from the options given below:

Identify product $B$ in the following reaction:
Benzonitrile $\xrightarrow[\text{Dry ether}]{C_6H_5MgBr} A$ $\xrightarrow{H_3O^{+}} B$

Identify $A, B$ and $C$ in the following reaction:
$\text{Toluene} + A + B$ $\xrightarrow{273-283 \ K} C$ $\xrightarrow{H_3O^{\oplus}} \text{Benzaldehyde}$