# Question #115a7

##### 1 Answer
Apr 11, 2017

It is a nucleophilic substitution

#### Explanation:

As you know, KCN will dissociate into ${K}^{+}$ and $C {N}^{-}$. Now due to electronegativity differences, the nitrogen will have a predominantly negative partial charge. Hence, it will be the part of the species that attacks the positive charge on the haloalkane. The rest should be obvious from the mechanism: