Question

Fluorobenzene `(C_(6)H_(5)F)` can be synthesized in the laboratory .
A. by heating phenol with HF and KF
B. from aniline bydiazotisation 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

Answer 1

Correct Answer - B
`C_(6)H_(5)NH_(2)overset(NaNO_(2))underset(HCl)to C_(6)H_(5)N_(2)Cl overset(HBF_(4))toC_(6)H_(5)F`