Question

Which one of the following is a benzenoid aromatic compound?

• A. Furan
• B. Thiophene
• C. Pyridine
• D. Aniline
• E. Cyclopentadienyl anion

Answer 1

The correct option is D Aniline

The only aniline is a benzenoid aromatic compound as the only aniline has a benzene ring which satisfies the conditions of an aromatic compound, i.e.
(i) has a planar structure (ring)
(ii) has $6\pi$-electrons
(iii) all $C$-atoms belong to the ring ${sp}^2$-hybridised.