(d)
Ethyl chloride can be converted into ethanol either by its alkaline hydrolysis or by its reaction with moist AgOH.
$C_{2}H_{5}Cl\underset{\mathrm{\Delta}}{\overset{Aq.NaOH\ \ }{\rightarrow}}C_{2}H_{5}OH\overset{\ \ \ AgOH\ }{\leftarrow}C_{2}H_{5}Cl$
$\ \ \ \ \ \ \ (A)\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (B)$