JEE Advanced · Chemistry · 30. Polymers
The correct functional group \(X\) and the reagent/reaction conditions \(Y\) in the following schemes are \(\mathrm{X}-\left(\mathrm{CH}_2\right)_4-X\)

- A \(X=\mathrm{COOCH}_3, Y=\mathrm{H}_2 / \mathrm{Ni} /\) heat
- B \(X=\mathrm{CONH}_2, Y=\mathrm{H}_2 / \mathrm{Ni} /\) heat
- C \(X=\mathrm{CONH}_2, \quad Y=\mathrm{Br}_2 / \mathrm{NaOH}\)
- D \(X=\mathrm{CN}, Y=\mathrm{H}_2 / \mathrm{Ni} /\) heat
Answer & Solution
Correct Answer
(D) \(X=\mathrm{CN}, Y=\mathrm{H}_2 / \mathrm{Ni} /\) heat
Step-by-step Solution
Detailed explanation
(a)

(b)

(c)

(d)

In author's opinion (a) and (b) should also be the answer.
Polyester, a condensation polymer


(b)

(c)

(d)

In author's opinion (a) and (b) should also be the answer.
Polyester, a condensation polymer

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