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Which one of the following statements is...

Which one of the following statements is not ture ?

A

In vulcanisation, different chains make rubber harder and stronger

B

Natural rubber has the trans-configuration at every double bond

C

Buna-S is a copolymer of butadiene and siyrene

D

Natural rubber is a 1,4-polymer of isoprene

Text Solution

Verified by Experts

The correct Answer is:
B
Natural rubber is cis-1,4-polyisoprene and has all cis configurations about the double bond as shown below. It is prepared from latex which is obtained in cis form called Havia Rubber latex is obtained from rubber tree (havea brasiliensis).
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