Q51 / 120 · NEET 2011 (Mains) · Chemistry
Which of the following compounds undergoes nucleophilic substitution reaction most easily?
- Correct answerA

- B

- C

- D

Solution

has electron withdrawing group $-\mathrm{NO}_2$ which reduces the double bond character between carbon of benzene ring and chlorine. Thus, the correct order of nucleophilic substitution reactions

Hence, the correct answer is option: 'A'.