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Question: Answered & Verified by Expert
Natural rubber has:
ChemistryPolymersNEETNEET 2016 (Phase 1)
Options:
  • A All cis - configuration
  • B All trans - configuration
  • C Alternate cis - and trans - configuration
  • D Random cis - and trans - configuration
Solution:
1988 Upvotes Verified Answer
The correct answer is: All cis - configuration

The natural rubber has an isoprene monomer unit. All isoprene units are present as the cis-configuration.

When isoprene units are combined together in cis configuration then natural rubber is formed.

The structure for the same is given below:

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