Polymers - Result Question 20
####20. Which one of the following statement is not true?
[2008]
(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
Show Answer
Solution:
- (b)
CCCC=C(C)CC C=CCCC(C)=CC (All cis configuration)
