Haloalkanes and Haloarenes - Result Question 9
####9. Which of the following reactions is an example of nucleophilic substitution reaction?
[2009]
(a) $2 RX+2 Na \to R-R+2 NaX$
(b) $RX+H_2 \to RH+HX$
(c) $RX+Mg \to RMgX$
(d) $RX+KOH \to ROH+KX$
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Solution:
- (d) In nucleophilic substitution, a nucleophile provides an electron pair to the substrate and the leaving group departs with an electron pair.
$ Nu:+R \xrightarrow{\triangle} \longrightarrow R-Nu+X: $
