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Standard XII
Chemistry
Rubber
Question

Natural rubber has:
  1. random cis-and trans-configuration
  2. alternate cis- and trans-configuration
  3. all cis-configuration
  4. all trans-configuration

A
all trans-configuration
B
all cis-configuration
C
alternate cis- and trans-configuration
D
random cis-and trans-configuration
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Solution
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Natural rubber has all cis-configuration. Natural rubber is linear polymer of cis isoprene, cis-2-methyl-1,3-butadiene. .
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