A) Neoprene
B) Isoprene
C) Chloroprene
D) Butadiene
Correct Answer: B
Solution :
\[n\,C{{H}_{2}}=\underset{C{{H}_{3\,\,\,}}}{\mathop{\underset{\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C-CH}}\,}}\,=C{{H}_{2}}\to \]\[\underset{\text{Natural rubber}}{\mathop{{{\left( -C{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,\,}{\mathop{C=}}\,}}\,CH-C{{H}_{2}}- \right)}_{n}}}}\,\]
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