12th Class Chemistry Coordination Chemistry Question Bank 12th CBSE Chemistry Coordination Chemistry

  • question_answer   The splitting pattern of d-orbitals in octahedral and  tetrahedral geometry are reverse of each other. Why?

    Answer:

      In octahedral complex ligands approach along the axes. So axial orbitals lie directly in the path of ligand and experience greater repulsion than the non-axial orbitals. Whereas in tetrahedral complex ligands are closer to non- axial orbitals (and ). So, non axial orbitals experience greater force of repulsion than the axial orbitals. i.e. approach of ligands in octahedral and tetrahedral fields is opposite of each other. This is why splitting pattern of d-orbitals in octahedral and tetrahedral geometry is reverse of each other.


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