Which of the following elements can be involved in `p pi- d pi` bonding ?
A. Carbon
B. Nitrogen
C. Phosphorus
D. Boron
A. Carbon
B. Nitrogen
C. Phosphorus
D. Boron
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Correct Answer – C
Valence shell configuration of phosphorus is `3s^(2)3p^(3)3d^(0)`. Its d-orbitals are involved in `p pi -d pi` bonding with the elements such as oxygen. For example, cyclometa-phosphoric acid