A) a polymer of 1, 3-butadiene
B) a polymer of ethylene
C) a polymer of 2-methyl-l, 3-butadiene
D) a polymer of styrene
Correct Answer: C
Solution :
Natural rubber is a polymer of isoprene (2-methyl-1, 3-butadiene). \[nC{{H}_{2}}=\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,-CH=C{{H}_{2}}\xrightarrow{Polymerisation}\]\[(\underset{natural\,rubber}{\mathop{-C{{H}_{2}}-\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,=CH-C{{H}_{2}}-{{)}_{n}}}}\,\]
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