A) PTFE
B) PAN
C) PMMA
D) PVC
Correct Answer: B
Solution :
Polyacrylonitrile is used in the manufacture of 'orlon'. \[{{\,}_{n}}C{{H}_{2}}=CHCN\xrightarrow{\text{Polymerisation}}[\underset{\begin{smallmatrix} \,\,\,\,\,\text{polyacrylonitrile} \\ \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\text{(PA)} \end{smallmatrix}}{\mathop{\_\_C{{H}_{2}}-\underset{CN}{\mathop{\underset{|}{\mathop{CH}}\,}}\,\_\_{{]}_{n}}}}\,\]
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