Question

The correct functional group $X$ and the reagent/ reaction conditions $Y$ in the following scheme are

(i) $X=COOC{H}_3,X=H_2$/Ni/heat
(ii)$X=CON{H}_2,P=H_2$/Ni/heat
(iii)$X=CON{H}_2,Y=B{r}_2/NaOH$
(iv)$X-CN,Y=H_2$/Ni/heat

• A. (i) and (ii)
• B. (i) (ii)and (iii)
• C. (i) and (iii)
• D. All of these

Answer 1

Answer: (D)

Condensation polymers are formed by condensation of diols or diamine with dicarboxylic acids. Therefore,
$X$ may be;