JEE Advanced Chemistry question
In an octahedral complex, if ligands on one axis are displaced little away from their ideal positions, the crystal field splitting of d-orbitals for this complex is as given below: (highest), , , , (nearly degenerate, lowest). The ligands are displaced on which axis/axes?
Answer: (D)
Solution
When the two ligands along the -axis are pulled away (elongated), the orbitals with electron density concentrated along () are stabilised (lowered in energy, less repulsion from the departing ligands), while (concentrated in the -plane, where the 4 ligands
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