A) \[{{\left( \begin{align} & -C{{H}_{2}}-\underset{|}{\mathop{C}}\,H- \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,COO{{C}_{2}}{{H}_{5}} \\ \end{align} \right)}_{n}}\,\,\]
B) \[{{\left( \begin{align} & -C{{H}_{2}}-\underset{|}{\mathop{C}}\,H- \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Cl \\ \end{align} \right)}_{n}}\]
C) \[{{\left( \begin{align} & C{{H}_{2}}-\underset{|}{\mathop{C}}\,H- \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,CN \\ \end{align} \right)}_{n}}\]
D) \[{{\left( \begin{align} & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{3}} \\ & -C{{H}_{2}}-\overset{|}{\mathop{\underset{|}{\mathop{C}}\,}}\,- \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,COOC{{H}_{3}} \\ \end{align} \right)}_{n}}\]
Correct Answer: C
Solution :
Acrilan means polyacrylonitrile (PAN) \[{{\left( \begin{align} & -C{{H}_{2}}-\underset{|}{\mathop{C}}\,H- \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,CN\, \\ \end{align} \right)}_{n}}\] (It is an addition polymer of acrylonitrile)
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