What type of compound the aniline is?

Aniline has the chemical formula $C_6H_5NH_2$.

The nitrogen atom of the amino group ($-NH_2$) is directly attached to only one carbon atom of the benzene ring, making it a primary (1^0$) amine.<br><br>Since the amino group is attached to an aromatic benzene ring, it is an aromatic compound.<br><br>Therefore, aniline is a 1^0$ and aromatic compound.

Answer: $1^0$ and aromatic