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NEET2016ChemistryPolymersActual

Natural rubber has:

Options

  1. AAll cis - configuration
  2. BAll trans - configuration
  3. CAlternate cis - and trans - configuration
  4. DRandom cis - and trans - configuration

Correct answer

A. All cis - configuration

Step-by-step solution

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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