Question

Which of the following reactions is an example of nucleophilic substitution reaction?
(a) $2 RX + 2 Na \rightarrow R - R + 2 NaX$
(b) $RX + H_2 \rightarrow RH + HX$
(c) $RX + Mg \rightarrow RMgX$
(d) $RX + KOH \rightarrow ROH + KX$

Answer 1

option d
first one is swartz
3rd one Grignard reagent
2 one alkyl halide with hydrogen