Q97 / 199 · NEET 2008 (Mains) · Chemistry

Which of the following statements is not true?

  • A
    Natural rubber is a 1,4 - polymer of isoprene
  • B
    In vulcanization, the formation of sulphur bridges between different chains make rubber harder and stronger
  • Correct answer
    C
    Natural rubber has the trans-configuration at every double bond
  • D
    Buna-S is a copolymer of butadiene and styrene

Solution

Natural rubber has cis-configuration at each double bond. Gutta-Percha has trans-configuration of each double bond.

Hence, the correct answer is option: 'C'.

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