Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory.
[CoF₆]^3–

[CoF₆]^3– oxidation state of Co is +3

Fluorine ion is a weak ligand. It cannot cause the pairing of the 3d electrons. As a result, the Co³⁺ ion will undergo sp³d² hybridzation.

Hence, the geometry of the complex is octahedral and paramagnetic.

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Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory.
[FeF₆]^3–

Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory.
[Fe(CN)₆]^4–

What is spectrochemical series? Explain the difference between a weak field ligand and a strong field ligand.

What is crystal field splitting energy? How does the magnitude of Δ₀ decide the actual configuration of d orbitals in a coordination entity?

Coordination Compounds