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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