question_answer

Which one of the following statement is not true?

A) In vulcanization the formation of sulphur bridges between 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 styrene

D) Natural rubber is a 1,4 - polymer of isoprene

Correct Answer: B

Solution :

[b] All statements except [b] are correct