Q. Which compound polymerises of neoprene?
A) ${CH}_{2} = CHCl$
B) ${CH}_{2} = C.Cl - CH = {CH}_{2}$
C) ${Cl}_{2}C = C.{Cl}_{2}$
D) $F_{2}C = {CF}_{2}$
Explanation
(b)
Neoprene is a synthetic rubber. It is prepared by polymerization of chlorine (2-chlorobuta-1, 3-diene).
$nCH_{2} = C - CH = CH_{2}\overset{\ \ \ \ \ Polymerisation\ \ \ \ \ }{\rightarrow}$
$|\ \$
$\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Cl$
Chloroprene
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Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.