question_answer

Which of the following is an aromatic compound?

A)                

B)                

C)                                                                

D)

Correct Answer: A

Solution :

The main condition for a compound to be  aromatic is presence of \[(4n+2)\pi \] electrons. (a) (b) (c) (d) \[\therefore \]  due to the presence of  \[(4n+2)\pi {{e}^{-}}[4\times 0+2=2\pi {{e}^{-}}],\]is aromatic.