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KCET2016ChemistryPolymers

Which of the following is not true?

Options

  1. AIn vulcanisation the rubber becomes harder and stronger.
  2. BNatural rubber has 'trans' configuration at every double bond.
  3. CBuna-S is a co-polymer of Butene and styrene,
  4. DNatural rubber is ( 1,4 )-polymer of isoprene.

Correct answer

B. Natural rubber has 'trans' configuration at every double bond.

Step-by-step solution

Buna-S is co-polymer of ( 1,3 )-butadiene and styrene. 1,3-Butadiene Buna-S

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