Question

Given reaction is an example of Nucleophilic aromatic substitution. Which of the following halide $(-X)$ is most readily replaced.

• A. $-F$
• B. $-Cl$
• C. $-Br$
• D. $-I$

Answer 1

The correct option is A $-F$

Flourine is readily replaced in nucleophilic aromatic substitution reaction as it has higher $-I$ effect compared to other halogens.