In its nucleophilic substitution reaction, aryl halide resembles:
A
vinyl chloride
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B
allyl chloride
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C
benzyl chloride
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D
ethyl chloride
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Solution
The correct option is A vinyl chloride
Nucleophilic substitution occurs readily only when electron-withdrawing groups are present at suitable positions.
An aryl halide or a vinyl halide are electron-withdrawing groups, i.e nucleophiles, and nucleophiles cannot be attacked by a nucleophile, and are more prone to electrophilic reactions than nucleophilic reactions.
In vinyl and aryl halides you have an electron-rich pi cloud which can be seen a cloud of negative charge about the C-C bonds.