The nature of bonding, structure of the coordination compound can be explained to some extent by valence bond theory. The central metal atom/ion makes available a number of vacant orbitals equal to its coordination number. The appropriate atomic orbitals (s, p and d) of the metal hybridise to give a set of equivalent orbitals of definite geometry such as square planar, tetrahedral, octahedral and so on. A strong covalent bond is formed only when the orbitals overlap to the maximum extent. The d-orbitals involved in the hybridisation may be either inner d-orbitals i.e. (n–1) d or outer d-orbitals i.e. nd. The complexes formed are called inner orbital complex (low spin complex) and outer orbital complex (high spin complex) respectively. Further, the complexes can be paramagnetic or diamagnetic in nature. The drawbacks of this theory are that this involves number of assumptions and also does not explain the colour of the complex. Answer the following questions :

IUPAC Nomenclature of Coordination Compounds, Valence Bond Theory for Coordination Compounds, Magnetic Properties of Coordination Compounds | PadhAiPro

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CASE_STUDIESIUPAC Nomenclature of Coordination CompoundsValence Bond Theory for Coordination CompoundsMagnetic Properties of Coordination CompoundsCBSE PYQ4 sub-questions

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