A) neoprene
B) chloroprene
C) glyptal
D) nylon
Correct Answer: A
Solution :
Neoprene is the polymer of chloroprene (2-chloro-but-1,3-diene). It resembles in appearance with natural rubber. \[nC{{H}_{2}}=CH-\underset{\begin{smallmatrix} | \\ Cl \end{smallmatrix}}{\mathop{C}}\,=C{{H}_{2}}\xrightarrow{Polymerisation}\] \[\left[ -[-C{{H}_{2}}-CH=\underset{\begin{smallmatrix} | \\ Cl \\ neoprene \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{2}}- \right]\]
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