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Synthetic rubber is made by polymerization of 

Chemistry
JAMB 1987

Synthetic rubber is made by polymerization of 

  • A. 2 methyl buta - 1, 3 - diene
  • B. 2 methyl buta - 1, 2 - diene
  • C. 2 methyl but -1-ene
  • D. 2 methyl but-2-ene
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Correct Answer: Option A
Explanation

Synthetic rubber can be produced by the polymerization of several monomers, but 2-methylbuta-1,3-diene (commonly known as isoprene) is the monomer used to create polyisoprene, a synthetic rubber that is chemically identical to natural rubber. While other synthetic rubbers exist, such as neoprene (made from 2-chloro-1,3-butadiene) and SBR (made from styrene and 1,3-butadiene), 2-methylbuta-1,3-diene is the specific diene listed in your options that serves as a fundamental building block for rubber synthesis.


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