In which of the following is the chlorine ato | vedclass

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(D) The chlorine atom in $CH_2=CH-Cl$ (vinyl chloride) is least reactive towards nucleophilic substitution. This is due to the resonance effect,where

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Vinyl chloride

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(D) The chlorine atom in $CH_2=CH-Cl$ (vinyl chloride) is least reactive towards nucleophilic substitution. This is due to the resonance effect,where the lone pair of electrons on the chlorine atom participates in conjugation with the $C=C$ double bond. This results in a partial double-bond character between the carbon and chlorine atoms,making the $C-Cl$ bond shorter and stronger,thus preventing the nucleophilic attack.

In which of the following is the chlorine atom least reactive towards nucleophilic substitution?

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