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Polymerisation of caprolactam produces which of the following polymers?

1. Terylene
2. Teflon
3. Glyptal
4. Nylon-6

Correct answer: Nylon-6

Solution

Caprolactam is a cyclic amide (lactam); its ring-opening polymerisation produces the polyamide Nylon-6 (-NH-(CH2)5-CO-)n. Terylene is a polyester of ethylene glycol and terephthalic acid.

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