omplex potassium trioxalatoaluminate . is this complex stable ? why?
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Explanation:
Potassium ferrioxalate, also known as potassium trisoxalatoferrate or potassium tris(oxalato)ferrateis a chemical compound with the formula K
3[Fe(C
2O
4)
3]. It often occurs as the trihydrate K
3[Fe(C
2O
4)
3]·3H2O. Both are crystalline compounds, lime green in colour
The compound is a salt consisting of ferrioxalate anions, [Fe(C
2O
4)
3]3−, and potassium cations K+. The anion is a transition metal complex consisting of an iron atom in the +3 oxidation state and three bidentate oxalate ions C
2O2−
4 anions acting as ligands. Potassium acts as a counterion, balancing the −3 charge of the complex. In solution, the salt dissociates to give the ferrioxalate anion, [Fe(C
2O
4)
3]3−, which appears fluorescent green in color.
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