Question

Which of the following are heterocyclic aromatic compounds?

• A.
• B.
• C.
• D.

Answer 1

Answer: (A), (C)

The correct options are
A

C

In organic chemistry, the term aromaticity is used to describe a cyclic (ring-shaped), planar (flat) molecule which exhibits internal conjugation and follows the Huckel's rule for aromaticity.

A heterocyclic compound or ring structure is a cyclic compound that has atoms of at least two different elements as members of its ring(s).

So,

Option $\left(a\right)\to$ aromatic,heterocyclic

Option $\left(b\right)\to$ aromatic,homocyclic

Option $\left(c\right)\to$ aromatic, heterocyclic

Option $\left(d\right)\to$ non-aromatic,homocyclic

Therefore, option (a) and (c) are correct.