Nitrobenzene combines with hydrogen in the presence of platinum to produce

Predict the major product $P$ in the following sequence of reactions$-$
$(i)$ $HBr$,benzoyl peroxide
(ii) $KCN$
(iii) $Na(Hg)/C_2H_5OH$
[Image: $1-$methylcyclopentene reacting with the above reagents to form $P$]

What is $B$ in the given reaction?
$C_2H_5Br \xrightarrow{\text{excess } NH_3} A \xleftarrow{Br_2/KOH} B$

What are $X$ and $Y$ in the following reactions?
$X \xrightarrow[(ii) H_2O]{(i) LiAlH_4} R CH_2 NH_2 \xleftarrow{H_2 / Ni} Y$

Aniline is not the major product in one of the following reactions. Identify that reaction.

What are the products $C$ and $D$ in the given reaction?
$Phthalimide$ $\xrightarrow{KOH} A$ $\xrightarrow{C_2H_5Br} I$ $\xrightarrow{HOH/H^+} C + D$