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NEET levelSingle correct optionDifficulty 1 of 3pl172

The monomer used to prepare polyvinyl chloride (PVC) is

A $CH X_{2} = CHCl$ (chloroethene)
B $CH X_{3} - CH X_{2} Cl$ (chloroethane)
C $CHCl = CHCl$ (1,2-dichloroethene)
D $CH X_{2} = CCl X_{2}$ (1,1-dichloroethene)

Answer: A

PVC is

- [CH X_{2} - CH (Cl)] X_{n} X^{-}

. Its repeat unit comes from vinyl chloride,

CH X_{2} = CHCl

, by addition across the

C = C

bond.

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