Question

The number of delocalised $\pi$ - electrons in the given compound are:

• A. 4
• B. 6
• C. 8
• D. 2

Answer 1

The correct option is B 6

2 $\pi$ electrons in the charge and 4 $\pi$ electrons of 2 double bonds.

Therefore, total 6 delocalised $\pi$ electrons are present in the given compound.

Option B is correct.