Thoery on analysis of cobalt in potassium cobaltinitrite complex
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The salt features potassium cations and an trianionic coordination complex. In the anion, cobalt is bound by six nitrito ligands, the overall complex having octahedral molecular geometry. The oxidation state of cobalt is 3+. Its low-spin d6 configuration confers kinetic stability and diamagnetism.
Chemical formula: K3(anhydrous); K3·1.5H2O (sesquihydrate)
Solubility in water: slightly soluble in water (sesquihydrate)
Density: 2.6 g/cm3 (sesquihydrate)
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