In which of the f A. *CH3—CH2 —Cl
B. *CH3—CH2—Mg+ Cl–
C. *CH3—CH2 —Br
-Cl is an electron withdrawing group. It exhibits –I effect. –Br is also electron withdrawing but lesser than –Cl . Magnesium and –CH3 exhibit +I effect. So the methyl carbon in ethyl chloride experiences greatest positive charge out of all the marked carbons.
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