A) Neoprene
B) Chloroprene
C) Glyptal
D) Nylon
Correct Answer: A
Solution :
In Neoprene monomer unit is \[C{{H}_{2}}=\underset{Cl\,\,}{\mathop{\underset{|\,}{\mathop{C\,}}\,-}}\,CH=C{{H}_{2}}\] (chloroprene) while Isoprene \[(C{{H}_{2}}\underset{C{{H}_{3}}\,\,}{\mathop{=\underset{|\,\,\,\,\,}{\mathop{C-}}\,CH}}\,=C{{H}_{2}}\]) is the monomer of natural rubber.
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