In a `S_(N)2` substitution reaction of the type `R-Br+Cl^(-) overset("DMF")toR-Cl+Br^(+)` which one of the following has the highest relative rate?A. `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CH_(2)-Br`B. `CH_(3)-CH_(2)-Br`C. `CH_(3)-CH_(2)-CH_(2)-Br`.D. `CH_(3)-underset(CH_(3))underset(|)(C)H-CH_(2)-Br`.

In a `S_(N)2` substitution reaction of the type `R-Br+Cl^(-) overset("

1.	In a `S_(N)2` substitution reaction of the type `R-Br+Cl^(-) overset("DMF")toR-Cl+Br^(+)` which one of the following has the highest relative rate?A. `CH_(3)-underset(CH_(3))underset(\|)overset(CH_(3))overset(\|)(C)-CH_(2)-Br`B. `CH_(3)-CH_(2)-Br`C. `CH_(3)-CH_(2)-CH_(2)-Br`.D. `CH_(3)-underset(CH_(3))underset(\|)(C)H-CH_(2)-Br`.
Answer» Correct Answer - B The compound is primary alkyl halide with the smallest alkyl group. The bond cleavage is the easiest.

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