Multiple choice

Which of the following sets of polymers is biodegradable?

  1. Nylon 6, 6 and rayon

  2. Polystyrene and PHBV

  3. PVC and teflon

  4. PHBV and Nylon 2–nylon 6

  5. Nylon 2–nylon 6 and PVC

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Poly β-hydroxybutyrate – co- β -hydroxy valerate (PHBV) is a biodegradable polymer obtained by the copolymerisation of 3-hydroxybutanoic acid and 3 - hydroxypentanoic acid. Nylon 2–nylon 6 is an alternating polyamide copolymer of glycine (H2N–CH2–COOH) and amino caproic acid [H2N (CH2)5 COOH] and is biodegradable.