MarksRiser
MarksRiser
AIPMT MAIN2008Chemistry-Polymers

AIPMT MAIN 2008 Chemistry Natural and Synthetic Rubbers MCQ Question

Type: MCQ-conceptual-Medium

Which of the following statements is not true?

A

Natural rubber is a 1,⁴⁻polymer of isoprene

B

In vulcanization, the formation of sulphur bridges between different chains make rubber harder and stronger

C

Natural rubber has the trans-configuration at every double bond

D

Buna-S is a copolymer of butadiene and styrene

Correct Answer

Option C

Detailed Explanation

Natural rubber has cis-configuration at each double bond. Gutta-Percha has trans-configuration of each double bond.

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