Multiple choice

Which of the following statements is/are false?

  1. Natural rubber is a 1, 4-polymer of isoprene.

  2. Buna-S is a copolymer of butadiene and styrene.

  3. Natural rubber has the trans-configuration at every double bond.

  4. In vulcanisation, the formation of sulphur bridges between different chains make rubber harder and stronger.

  5. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Natural rubber has the cis-configuration at every double bond.

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