Q.
The correct functional group $X$ and the reagent/ reaction conditions $Y$ in the following scheme are
(i) $X=COOCH_{3}, X=H_{2} $/Ni/heat
(ii)$X=CONH_{2}, P=H_{2}$/Ni/heat
(iii)$X= CONH_{2}, Y= Br_{2}/NaOH$
(iv)$X- CN, Y= H_{2}$/Ni/heat
Polymers
Solution: