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KCET2008ChemistryPolymers

The monomers of buna-S rubber are

Options

  1. Avinyl chloride and sulphur
  2. Bbutadiene
  3. Cstyrene and butadiene
  4. Disoprene and butadiene

Correct answer

C. styrene and butadiene

Step-by-step solution

Buna-S rubber is also called SBR styrene -butadiene rubber. It is a copolymer of 75 % butadiene ( CH ₂= CH - CH = CH ₂ ) and 25 % styrene ( C ₆ H ₅- CH = CH ₂ ) .

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