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JEE · NEET Previous Year Question

$Which one of the following is an example of thermosetting polymer7.$

Topic: NEET PYQ

Answer: D. Full step-by-step solution below.

A $(- C H_{2} - C (C l) = C H - C H_{2} -)_{n}$
B $(- C H_{2} - C H (C l) -)_{n}$
C $(- N H - (C H_{2})_{6} - N H - C (= O) - (C H_{2})_{4} - C (= O) -)_{n}$
D $(2014)$

Correct answer: D

Solution

(d) (a) Neoprene rubber (elastomer) (b) PVC (thermoplastic polymer) (c) Nylon‐6,6 (fibre) (d) Novolac which further undergoes cross linking to produce bakelite (thermosetting polymer).

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