Aniline is treated with ${\mathrm{Br}}_2$ water at room temperature to give the following product

Aniline is an electron donating group, hence it activates ortho/para positions in the benzene nucleus due to resonance Due to its high reactivity all the ortho and para positions get brominated when aniline is reacted with ${\mathrm{Br}}_2$ water at room temperature.