1.

Which one of the following is called neoprene rubber-A. `[--CH_2-underset"Ph"underset|CH--]`B. `[--CH_2-undersetunderset(Cl)|CH--]_n`C. `[--CH_2-CH=CH-CH_2-CH_2-underset(CN)underset|CH--]_n`D. `[--CH_2-underset(Cl)underset|C=CH-CH_2--]_n`

Answer» Correct Answer - D


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