Which statement is incorrect.

Options

A. Fluoro benzene can be synthesized in the laboratory from aniline by diazotisation followed by heating with `HBF_(4)`
B. Quarternary Ammonium hydroxides having `beta -` hydrogen atom give hlfmann elimination on pyrolysis.
C. on reaction with `HNO_(2)` produces
D. Benzyl amine on reaction with `NaNO_(2)//HCl` followed by `beta-` Naphthol in slight basic medium forms a coloured dyo.

Answer

4

Explanation

Only aromatic primary amine shows coupling reaction.