Question

During the splitting of degenerate d-orbitals under the influence of ligand the average d-orbital energy

• A. remains same
• B. increases
• C. decreases
• D. may increase or decrease

Answer 1

The correct option is A remains same

When examining a single transition metal ion, the five d-orbitals have the same energy. When ligands approach the metal ion, some experience more opposition from the d-orbital electrons than others based on the geometric structure of the molecule. Since ligands approach from different directions, not all d-orbitals interact directly. These interactions, however, create a splitting due to the electrostatic environment.The average energy of the five d orbitals remains the same.