NEET 2016 Chemistry question

Not in JEE Main or NEET syllabus

Natural rubber has:

(1)All cis - configurationCorrect
(2)All trans - configuration
(3)Alternate cis - and trans - configuration
(4)Random cis - and trans - configuration

Answer: (1)

Solution

Natural rubber is cis-1,4-polyisoprene, a linear polymer of isoprene (2-methylbuta-1,3-diene) units in which all the double bonds have the cis configuration. The cis

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Question ID VK-091891