Question

Which of the following has $p\pi -d\pi$ bonding?

• A. NO₃^-
• B. SO₃^2-
• C. BO₃^3-
• D. CO₃^2-

Answer 1

The correct option is B SO₃^2-

In $S{O}_3^{2-}$, d-orbital of S-atom overlaps with p-orbital of O-atom to form a $p\pi -d\pi$ bond.