Q. Fluorobenzene $(C_{6}H_{5}F)$ can be synthesised in the laboratory
A) By heating phenol with HF and KF
B) From aniline by diazotisation followed by heating the diazonium salt with $HBF_{4}$
C) By direct fluorination of benzene with$F_{2}\$ gas
D) By reacting bromobenzene with NaF solution
Explanation
The correct answer is Option B: From aniline by diazotisation followed by heating the diazonium salt with $HBF_{4}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.