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Crystal Field Theory (CFT)Coordination Compounds

Write the electronic configuration of [CoF6]3−[CoF_6]^{3-} ( Co3+Co^{3+} is 3d63d^6 ) in terms of t2gt_{2g}andege_g .

Expert Answer

t2g4eg2t_{2g}^4 e_g^2 . F−F^- is a weak field ligand ( Δo<P\Delta_o < P ), so it forms a High Spin complex (electrons occupy higher energy orbitals before pairing).

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