42. Решение задачи по химии №004 281

498. Determine the oxidation state of the complexing agent in the following complex ions: [Fe(CN)6]4-, [Ni(NH3)5Cl] , [Co(NH3)2(NO2)4]-, [Cr(H2O)4Br2] , [AuCl4]-, [Hg(CN)4]2-, [Cd(CN)4]2-.

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