Multiple choice

Which of the following statements is/are true?

  1. Intermolecular forces of attraction in nylons are dipole-dipole interactions.

  2. Vulcanization introduces hydrogen bondings between polymer chains.

  3. Dacron is a polyamide.

  4. Gutta percha and natural rubber are stereoisomers.

  5. Polypropylene, because of the presence of several chiral atoms is optically active.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This option is correct,  because gutta percha is all trans-polyisoprene while natural rubber is all cis-polyisoprene.

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