Question

How many delocalised $\pi$- electrons are there in the following compound?

• A. 1
• B. 2
• C. 4
• D. 6

Answer 1

Answer: (D)

6

In the given compound. 4 $\pi$-electrons of double bond and 1 lone pair on $N-$atom leads to delocalization of $\pi$-electrons.