In the following pairs of halogen compounds, which compound undergoes faster towards $S _{ N }1$ reaction?

cbse
haloalkanes

#1

In the following pairs of halogen compounds, which compound undergoes faster towards $S _{ N }1$ reaction?


#2

(i) (a) will undergo $S _{ N }1$ reaction faster because tertiary carbocation can stabilise itself more than secondary.
(ii) (a) will undergo $S _{ N }1$ reaction faster because secondary carbocation can stabilise itself more than primary