group have the maximum leaving ability amongst the given groups in the nucleophilic substitution reactions.
A
−OCOCH3
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B
−O−SO2−CH3
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C
−O−SO2−CF3
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D
−I
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Solution
The correct option is C−O−SO2−CF3 Leavingpowerα1Basicity−O−SO2−CF3 is a conjugate base of CF3−SO2−OH which is highly acidic in nature. The conjugate base of strong acid is very weak.