Which among the following is most reactive to give nucleophilic addition?
A
FCH2CHO
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B
ClCH2CHO
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C
BrCH2CHO
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D
ICH2CHO
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Solution
The correct option is AFCH2CHO FCH2CHO is most reactive towards nucleophilic addition since presence of most electronegative F withdraws electron from carbon of carbonyl group making it more polar.
Hence, option (a) is correct.