Key Idea Nucleophilic substitution reactions involve substitution (replacement) of a group or atom by a nucleophile. KOH⟶K++OH−RX+ nucleophile OH−⟶R−OH+KX 
Which of the following reactions is an example of nucleophilic substitution reaction?
NEET UG 2009 — Chemistry Organic Chemistry
2009mcqeasy
Which of the following reactions is an example of nucleophilic substitution reaction?
Official previous-year question
Held on 30 Apr 2009 · Verified 9 Jul 2026.
Options
- A
RX+KOH⟶ROH+KX
- B
2RX+2Na⟶R−R+2NaX
- C
RX+H2⟶RH+HX
- D
RX+Mg⟶RMgX
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