What is the monomer of PVC?

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Multiple Choice

What is the monomer of PVC?

Explanation:
PVC is polyvinyl chloride, made by addition polymerization of the vinyl chloride monomer. The monomer must have a carbon–carbon double bond to join with others, and chloroethene (vinyl chloride) has CH2=CHCl, giving the repeating unit -CH2-CHCl- in the polymer. Ethene would polymerize to polyethylene (no chlorine), while propene would give polypropene, and chloromethane is not an alkene and cannot form this polymer. So the monomer is chloroethene.

PVC is polyvinyl chloride, made by addition polymerization of the vinyl chloride monomer. The monomer must have a carbon–carbon double bond to join with others, and chloroethene (vinyl chloride) has CH2=CHCl, giving the repeating unit -CH2-CHCl- in the polymer. Ethene would polymerize to polyethylene (no chlorine), while propene would give polypropene, and chloromethane is not an alkene and cannot form this polymer. So the monomer is chloroethene.

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