1.

Natural rubber or raw rubber consists of basic material latex which is a dispersion of isoprene .During the treatement this isoprene forms a high molecular wiehg polymer of isoprene. Naturalrubber can be obtained from five hundred different species of plants. In the isoprene polymer all the isoprene have

Answer»

trans-1,4 CONFIGURATION
CIS-1,4- configuration
both cis- and trans -1,4- configuration
none of these .

ANSWER :B


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