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

Which of the following statements is incorrect for a bimolecular nucleophilic substitution reaction $(S_{N}2)$?

The major product of the following reaction is:

Dehydrohalogenation in monohaloalkanes produces

What are nucleophiles and nucleophilic substitution reactions? Provide a basic overview of the nucleophilic substitution reaction of haloalkanes.

Arrange the following compounds in order of decreasing rate of hydrolysis for $S_N1$ reaction:
$(i)$ $C_6H_5CH_2Br$
(ii) $p-CH_3-C_6H_4-CH_2Br$
(iii) $p-CH_3CH_2-C_6H_4-CH_2Br$
(iv) $p-(CH_3)_2CH-C_6H_4-CH_2Br$