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

The correct functional group $X$ and the reagent/reaction conditions $Y$ in the following schemes are $\mathrm{X}-\left(\mathrm{CH}_2\right)_4-X$

1. $X=\mathrm{COOCH}_3, Y=\mathrm{H}_2 / \mathrm{Ni} /$ heat
2. $X=\mathrm{CONH}_2, Y=\mathrm{H}_2 / \mathrm{Ni} /$ heat
3. $X=\mathrm{CONH}_2, \quad Y=\mathrm{Br}_2 / \mathrm{NaOH}$
4. $X=\mathrm{CN}, Y=\mathrm{H}_2 / \mathrm{Ni} /$ heat

Solution

(a)
(b)
(c)
(d)
$ \text { In author's opinion (a) and (b) should also be the answer. } $
Polyester, a condensation polymer

Asked in: JEE Advanced 2011 (Paper 2)

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