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Common name of chloroethene is:
 A Benzyl chloride
B Vinyl chloride
C Allyl bromide
 D none of these

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Last updated date: 22nd Jun 2024
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Answer
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Hint: From the given name chloroethene, it is clear that there are 2 carbon atoms in the chain of the compound. There is a chlorine atom attached with one carbon atom. And it is from the alkene family of organic compounds.

Complete step by step answer:
According to the IUPAC nomenclature the common name of ethene is ethylene. The structure of ethylene is as follows.
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Now when one hydrogen atom is replaced by one chlorine atom from ethene, chloroethene is formed. The structure of chloroethene is as follow,
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The common name of the chloroethene is vinyl chloride.

So, the correct option is B.

Additional information:
 The chlorine atom of the vinyl chlorine contains lone-pair which can undergo conjugation with the pi-bond of the ethylene. Due to this conjugation the C-Cl bond is partially double bond in nature. The conjugation is shown below,
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Note:
Due to this partially double bond of the C-Cl bond vinyl chloride does not undergo nucleophilic substitution reaction.