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Anhydrous iron(III) chloride has the BiI 3 structure, with octahedral Fe(III) centres interconnected by two-coordinate chloride ligands. [7] [10] Iron(III) chloride has a relatively low melting point and boils at around 315 °C. The vapor consists of the dimer Fe 2 Cl 6, much like aluminium chloride.
Potassium ferrioxalate contains the iron(III) complex [Fe(C 2 O 4) 3] 3−. 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 (FeCl 3). The adjective ferrous is used instead for iron(II) salts, containing the cation Fe 2+.
This is a list of the various reported boiling points for the elements, with recommended values to be used elsewhere on Wikipedia. ... 26 Fe iron; use: 3134 K: 2861 ...
Therefore, the compound can also be obtained by the decomposition of acidic solutions of iron(III) chloride held near the boiling point for days or weeks: [14] FeCl 3 + 2 H 2 O → FeOOH (s) + 3 HCl (g) (The same process applied to iron(III) nitrate Fe(NO 3) 3 or perchlorate Fe(ClO 4) 3 solutions yields instead particles of α-Fe 2 O 3. [14])
Boiling point: 1,023 °C (1,873 °F; 1,296 K) (anhydrous) ... Iron(II) chloride, also known as ferrous chloride, ... It is the precursor to hydrated iron(III) oxides ...
A famous reaction involves treatment with ferric salts, most commonly Iron(III) chloride, to give Prussian blue. In the reaction with Iron(III) chloride, producing Potassium chloride as a side-product: 3 K 4 [Fe(CN) 6] + 4 FeCl 3 → Fe 4 [Fe(CN) 6] 3 + 12 KCl With the composition Fe III 4 [Fe II 6]
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Boiling point: 249 °C (480 °F; 522 K) ... Pauson and Kealy synthesised ferrocene using iron(III) chloride and cyclopentadienyl magnesium bromide. [11]