Chemistry PYQ 67 of 152 · Organic Chemistry

Natural rubber is a polymer of

  1. Aisoprene
  2. Bstyrene
  3. Cvinyl acetate
  4. Dpropene
  5. ENone of the above / More than one of the above

65th BPSC

Show answer and explanation

Correct answer: (a) isoprene

Explanation

Natural rubber is a natural polymer made of repeating monomer units.

Its monomer is isoprene (2-methyl-1,3-butadiene), giving cis-polyisoprene.

Styrene and vinyl acetate form synthetic polymers, not natural rubber.

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