Chlorine reacts with ethanol to give

The product $(Q)$ will be:

One of the products of the following reaction is $P$. Structure of $P$ is

The product $(A)$ is:

Identify the alcohol obtained when an aldehyde other than formaldehyde $(HCHO)$ is treated with Grignard's reagent $(RMgX)$ followed by hydrolysis.

What are $X$ and $Y$ in the following reaction sequence?
$Toluene$ $\xrightarrow{X} Benzaldehyde$ $\xrightarrow{HNO_3 + H_2SO_4, 273-283 \ K} Y$