It is an example of nucleophilic substitution reaction. The hydroxyl group of $KOH \left( OH ^{-}\right)$ with a lone pair of itself acts as a nucleophile and substitutes iodide ion in $CH _{3} CH _{2} I$ to form ethanol.
નીચે આપેલા વિકલપોમાંથી સાચો જવાબ પસંદ કરો.