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Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory: (i). `[Fe(CN)_6]^(4-)` (ii). `[FeF_6]^(3-)` (iii). `[Co(C_2O_4)_3]^(3-)` (iv). `[CoF_6]^(3-)` |
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Answer» (i). `[Fe(CN)_6]^(4-)` `-d^(2)sp^(3)` octahedral, diamagnetic (ii). `[FeF_6]^(3-)` `-sp^(3)d^(2)`, octahedral, paramagnetic (iii). `[Co(C_2O_4)_3]^(3-)` `-d^(2)sp^(3)` octahedral diamagnetic `(C_2O_4^(2-)` is a stong ligand) (iv). `[CoF_6]^(3-)` `-sp^(3)d^(2)`, octahedral, paramagnetic. |
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