In the following groups (1) -OA c (2) -OM e (3) -OSO_(2)Me (4) -OS – InterviewSolution

1.	In the following groups (1) -OA c (2) -OM e (3) -OSO_(2)Me (4) -OSO_(2)CF_(3) the order of leaving group ability is
Answer» `1gt2gt3gt4` `4gt3gt1gt2` `3gt2gt1gt4` `2gt3gt4gt1` ANSWER :B

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