What combination of acid chloride or anhydride and arene would you choose to prepare the given compound?

The ester among the following is

The incorrect match is:

Hence the product $(Y)$ in the above sequence of reactions,is

What is the major product of the following reaction?

Considering the reaction sequence given below,the correct statement$(s)$ is(are):
$A$. $P$ can be reduced to a primary alcohol using $NaBH_4$.
$B$. Treating $P$ with conc. $NH_4OH$ solution followed by acidification gives $Q$.
$C$. Treating $Q$ with a solution of $NaNO_2$ in aq. $HCl$ liberates $N_2$.
$D$. $P$ is more acidic than $CH_3CH_2COOH$.