A) Neoprene \[{{\left[ \begin{align} & \\ & -C{{H}_{2}}-\underset{|}{\mathop{C}}\,=CH-C{{H}_{2}}- \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Cl \\ \end{align} \right]}_{n}}\]
B) Nylone-6, 6 \[{{\left[ \begin{align} & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O \\ & -NH-{{(C{{H}_{2}})}_{6}}-NH-CO-(N{{H}_{2}})-\overset{||}{\mathop{C}}\,-O-O \\ \end{align} \right]}_{n}}\]
C)
Terylene 
D)
Correct Answer: C
Solution :
Terylene is formed by the condensation of methyl terephthalate and glycol. Its structure is
Hence, the structure of terylene is incorrect.
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