Question

Fluorobenzene ($C_{6} H_{5}F$) can be synthesized in the laboratory:

• A. by heating phenol with HF and KF
• B. from aniline by diazotisation followed by heating the diazonium salt with HB$F_{4}$
• C. by direct fluorination of benzene with $F_{2}$ gas
• D. by reacting bromobenzene with NaF solution

Answer 1

Answer: (B)

Correct answer is (b) from aniline by diazotisation followed by heating the diazonium salt with HB$F_{4}$