$R - X + NaOH \xrightarrow{} ROH + NaX$
The above reaction is classified as:

For the reaction:
$RCH_2Br + I^{-} \stackrel{\text{Acetone}}{\longrightarrow} RCH_2I + Br^{-}$
The correct statement is:

The order of relative reactivity of the given halides towards $S_N2$ reaction is :

Which among the following will undergo hydrolysis rapidly$:-$

The correct order of the rate of reaction of the following reactants with a nucleophile by $S_{N}1$ mechanism is:
(Given: Structure $I$ and $II$ are rigid)

Consider the reaction,
$CH_3CH_2CH_2Br + NaCN \to CH_3CH_2CH_2CN + NaBr$
This reaction will be the fastest in