Q

Which alkyl halide from the following pairs would you expect to react more rapidly by an S_ N 2 mechanism? Explain your answer. (iii)

10.7      Which alkyl halide from the following pairs would you expect to react more rapidly by an $S_{N}2$ mechanism? Explain your answer.

(iii)

Hence the rate of $S_{N}2$ reaction will be faster in case of 1-bromo-3-methylbutane.