MCQ
Among the following ions, the $\text{p}\pi−\text{d}\pi$ overlap could be present in:
- A$\text{NO}_3^−$
- B$\text{PO}_4^{3−}$
- C$\text{CO}_3^{2−}$
- D$\text{NO}_2^−$
✓
Answer
- $\text{PO}_4^{3−}$
Explanation:
In $\text{NO}_3^−$, $\text{CO}_3^{2−}$, $\text{NO}_2^−$ only p−p orbitals are involved in bonding.
In $\text{PO}_4^{3−}$, 3d orbitals of phosphorus are also involved in bonding.
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