Which configuration of butadiene units is present in highest amount in – McqOptions

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1.	Which configuration of butadiene units is present in highest amount in SBR at 50 ¬¨‚àë¬¨¬µ‚àö‚â†C?#
A.	trans-1,4
B.	cis-1,4
C.	cis-1,2
D.	all of the mentioned
Answer» B. cis-1,4

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