Potassium ferrioxalate in the context of "Bidentate"

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⭐ Core Definition: Potassium ferrioxalate

Potassium ferrioxalate, also called potassium trisoxalatoferrate or potassium tris(oxalato)ferrate(III) is a chemical compound with the formula K3[Fe(C2O4)3]. It often occurs as the trihydrate K3[Fe(C2O4)3]·3H2O. Both are crystalline compounds, lime green in colour.

The compound is a salt consisting of ferrioxalate anions, [Fe(C2O4)3], and potassium cations K. The anion is a transition metal oxalate complex consisting of an iron atom in the +3 oxidation state and three bidentate oxalate C2O2−4 ligands. Potassium is a counterion, balancing the −3 charge of the complex. In solution, the salt dissociates to give the ferrioxalate anion, [Fe(C2O4)3], which appears fluorescent green in color. The salt is available in anhydrous form as well as a trihydrate.

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Potassium ferrioxalate in the context of Ferric

In chemistry, iron(III) or ferric refers to the element iron in its +3 oxidation state. Ferric chloride is an alternative name for iron(III) chloride (FeCl3). The adjective ferrous is used instead for iron(II) salts, containing the cation Fe. The word ferric is derived from the Latin word ferrum, meaning "iron".

Although often abbreviated as Fe, that naked ion does not exist except under extreme conditions. Iron(III) centres are found in many compounds and coordination complexes, where Fe(III) is bonded to several ligands. A molecular ferric complex is the anion ferrioxalate, [Fe(C2O4)3], with three bidentate oxalate ions surrounding the Fe core. Relative to lower oxidation states, ferric is less common in organoiron chemistry, but the ferrocenium cation [Fe(C5H5)2] is well known.

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LINKED FROM (PARENTS)
← Ferric
LINKS TO (CHILDREN)
Potassium → Iron → Carbon → Oxygen → Trihydrate → Salt (chemistry) → Ferrioxalate → Anion → Transition metal oxalate complex → Bidentate → Oxalate → Ligands → Counterion → Water of crystallization →