The reaction:
$CH_3CH_2I + KOH_{(aq)} \to CH_3CH_2OH + KI$
is classified as :

What is the correct order of reactivity of halides for the $S_{N}2$ reaction?

$AgNO_3$ does not give a precipitate with $CHCl_3$ because

The rate of the following reaction is influenced by the hyperconjugation of group $R$. The rate of reaction will be maximum when $R$ is:

Which of the following compounds is most rapidly hydrolysed by $S_N1$ mechanism?

In a nucleophilic substitution reaction $R - Br + Cl^{-} \xrightarrow{DMF} R - Cl + Br^{-}$,which one of the following undergoes complete inversion of configuration?