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Standard XII
Chemistry
Question

Natural rubber is a ___.
  1. cis isomer
  2. trans isomer
  3. racemic mixture
  4. equal amount of cis and trans

A
trans isomer
B
racemic mixture
C
cis isomer
D
equal amount of cis and trans
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Solution
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Natural rubber (as shown in the figure) is formed by polymerization of monomer isoprene.
CH2

∣
H2C=C−CH=CH2 (Isoprene)


74811_7394_ans.png

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