Natural rubber is a polymer of

Options

A. ethyne
B. butadiene
C. styrene
D. isoprene

Answer

D

Explanation

Natural rubber is a linear is a linear polymer of isoprene (2-mathylbuta-1,3 diene):
`nCH_(2)=underset(CH_(3))underset(|)(C)-CH=CH_(2)rarr[CH_(2)-underset(CH_(3))underset(|)(C)=CH-CH_(2)]_(n)`