Multiple choice

Nylon is formed by the condensation of

  1. adipic acid and hexamethylene diamine

  2. formaldehyde and phenol

  3. formaldehyde and styrene

  4. acrylonitrile

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A Correct answer
Explanation

Nylon-6,6 is synthesized through condensation polymerization of adipic acid (a dicarboxylic acid) and hexamethylene diamine (a diamine). Formaldehyde and phenol produce bakelite, while acrylonitrile is used for acrylic fibres. The correct monomers for nylon specifically are adipic acid and hexamethylene diamine.

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