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NEET levelSingle correct optionDifficulty 1 of 3pl194

The monomer unit of natural rubber is

A2-methylbuta-1,3-diene (isoprene)
B2-chlorobuta-1,3-diene
Cbuta-1,3-diene
D2-methylpropene

Answer: A

Natural rubber is cis-1,4-polyisoprene, built from isoprene,

CH X_{2} = C (CH X_{3}) - CH = CH X_{2}

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