question_answer

Which of the following will not show aromatic behaviour?

A)                     

B)  

C)                  

D)  

Correct Answer: D

Solution :

                 contains\[4\pi -\]electrons which are not in accordance to Huckel?s rule, thus it will not exhibit aromatic behaviour. According to Huckel?s rule, molecules having \[(4n+2)\pi {{e}^{-}}\]with planar structure are aromatic.