Question

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.

Answer 1

In vulcanization the formation of sulphur

bridges between different chains make

rubber harder and stronger.

Explanation:

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