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Question

How many electrons are present in t2g set of dorbitals of central metal cation in [Fe(H2O)5(NO)]SO4 brown ring complex?

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Solution


The central iron atom is in +1 oxidation state. It has 3d7 electronic configuration.
Due to weak-field ligands, the pairing energy is higher than Δo. So, t2g has 5 electrons.
196317_147560_ans_f8cbf3bde21743639e800477dd1c945a.png

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