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Which starting materials are employed to produce nylon-6,6?

1. Adipic acid and hexamethylenediamine
2. Isoprene
3. Ethene
4. Terephthalic acid and ethylene glycol

Correct answer: Adipic acid and hexamethylenediamine

Solution

Nylon-6,6 is synthesized through a condensation reaction between adipic acid and hexamethylenediamine, which provides the necessary amine and carboxylic acid functional groups to form the polyamide structure.

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