Previous Year NEET Question- Haloalkanes L-2
Question: Which of the following reactions is an example of nucleophilic substitution reaction?
A) $2 \mathrm{RX}+2 \mathrm{Na} \longrightarrow \mathrm{R}-\mathrm{R}+2 \mathrm{NaX}$
B) $\mathrm{RX}+\mathrm{H}_2 \longrightarrow \mathrm{RH}+\mathrm{HX}$
C) $\mathrm{RX}+\mathrm{Mg}>\mathrm{RMgX}$
D) $\mathrm{RX}+\mathrm{KOH} \longrightarrow \mathrm{ROH}+\mathrm{KX}$