Q

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

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.

(ii)

The rate of $S_{N}2$ reaction decreases with increase in hindrance to the attack of the nucleophile.