Which among the following pairs of polymers contains both members as copolymers?

Which among the following pairs of polymers contains both members as copolymers?
  1. Neoprene and Isoprene
  2. Orlon and Teflon
  3. Bakelite and Orlon
  4. SBR and PHBV

Solution

PHBV - It is a copolymer of two bifunctional $\beta$-hydroxy carboxylic acids, namely, $\beta$-hydroxybutyric acid (3-hydroxybutanoic acid) and $\beta$-hydroxyvaleric acid (3-hydroxypentanoic acid). SBR - It is a copolymer of styrene with butadiene.

Asked in: MHT CET 2023 (11 May Shift 1)

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