Are the following structures aromatic? Explain.

A is aromatic because of its cyclic structure, planar shape, fully conjugated π system, and 6 π electrons. B and C are not aromatic because B lacks a fully conjugated π system and C has 8 π electrons.

A and C are aromatic because of their cyclic structure, planar shape, fully conjugated π system, and 6 π electrons. B is not aromatic because it lacks a fully conjugated π system.

B is aromatic because of its cyclic structure, planar shape, fully conjugated π system, and 6 π electrons. A and C are not aromatic because A lacks a fully conjugated π system and C has 8 π electrons.

B and C are aromatic because of their cyclic structure, planar shape, fully conjugated π system, and 6 π electrons. A is not aromatic because it lacks a fully conjugated π system.