Fluorobenzene $\left(\mathrm{C}_6 \mathrm{H}_5 \mathrm{~F}\right)$ can be synthesized in the laboratory
- by heating phenol with $\mathrm{HF}$ and $\mathrm{KF}$
- from aniline by diazotisation followed by heating the diazonium salt with $\mathrm{HBF}_4$
- by direct fluorination of benzene with $\mathrm{F}_2$ gas
- by reacting bromobenzene with NaF solution
Solution
Asked in: JEE Main 2006