Question

Which of the following compounds are aromatic?

• A. A, B
• B. A, B, C
• C. B, C
• D. B, C, D

Answer 1

Answer: (A)

A, B

Answer 2

Structure (a) has two $\pi$ -bonds and one lone pair of electrons over $N$ -atom and has planer structure. Thus, is an aromatic compound.