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Potassium ferrate information


Potassium ferrate.
Names
IUPAC name
Potassium ferrate(VI)
Other names
Potassium ferrate
Dipotassium ferrate
Identifiers
CAS Number
  • 39469-86-8
3D model (JSmol)
  • Interactive image
PubChem CID
  • 53493006
InChI
  • InChI=1S/Fe.2K.4O/q+6;2*+1;4*-2
    Key: REKHNDAXGYXSBT-UHFFFAOYSA-N
SMILES
  • [K+].[K+].[O-][Fe]([O-])(=O)=O
Properties
Chemical formula
K2FeO4
Molar mass 198.0392 g/mol
Appearance Dark purple solid
Density 2.829 g/cm3
Melting point >198 °C (decomposes)
Solubility in water
soluble in 1M KOH
Solubility in other solvents[which?] reacts with most solvents
Structure
Crystal structure
K2SO4 motif
Coordination geometry
Tetrahedral
Dipole moment
0 D
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Oxidizer
GHS labelling:
Pictograms
GHS03: Oxidizing[1]
Signal word
Danger[1]
Hazard statements
H272[1]
Precautionary statements
P210, P220, P221, P280, P370+P378, P501[1]
Flash point non-combustible
Safety data sheet (SDS) External SDS
Related compounds
Other anions
K2MnO4
K2CrO4
K2RuO4
Other cations
BaFeO4
Na2FeO4
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Potassium ferrate is the chemical compound with the formula K2FeO4. This purple salt is paramagnetic, and is a rare example of an iron(VI) compound. In most of its compounds, iron has the oxidation state +2 or +3 (Fe2+ or Fe3+). Reflecting its high oxidation state, FeO2−4 is a powerful oxidizing agent.

  1. ^ a b c d "Potassium Ferrate". American Elements. Retrieved June 13, 2019.

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Potassium ferrate

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Potassium ferrate is the chemical compound with the formula K2FeO4. This purple salt is paramagnetic, and is a rare example of an iron(VI) compound. In...

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Ferrate

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Iron

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"ferric"). Iron also occurs in higher oxidation states, e.g., the purple potassium ferrate (K2FeO4), which contains iron in its +6 oxidation state. The anion...

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List of inorganic compounds

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the industrial synthesis of potassium permanganate (KMnO4), a common chemical. Occasionally, potassium manganate and potassium permanganate are confused...

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Iron compounds

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"ferric"). Iron also occurs in higher oxidation states, e.g. the purple potassium ferrate (K2FeO4), which contains iron in its +6 oxidation state. Although...

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Transition metal oxo complex

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the earliest synthetic compounds to incorporate an oxo ligand is potassium ferrate (K2FeO4), which was likely prepared by Georg E. Stahl in 1702. A common...

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List of CAS numbers by chemical compound

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7778–50–9 K2FeO4 potassium ferrate 39469–86–8 K2S2O3 potassium thiosulfate 10294–66–3 K2O potassium oxide 12136–45–7 K2O2 potassium peroxide 17014–71–0...

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study on the thermal decomposition of potassium tris (oxalato) ferrate(III) trihydrate and bis (oxalato) ferrate(II) dihydrate". Hyperfine Interactions...

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activated carbon (powdered or granulated), UV treatment, treatment with potassium ferrate and sand filtration (which is sometimes added as a last step after...

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Ferric ammonium oxalate

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Ferric ammonium oxalate (ammonium ferrioxalate, ammonium tris(oxalato)ferrate) is the ammonium salt of the anionic trisoxalato coordination complex of...

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Sodium ferrioxalate

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pentahydrate has been characterized by X-ray crystallography. In contrast the potassium, ammonium, and rubidium salts crystallize from water as their trihydrates...

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Disodium tetracarbonylferrate

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NaX Strong, H.; Krusic, P. J.; San Filippo, J. (1990). Sodium Carbonyl Ferrates, Na2[Fe(CO)4], Na2[Fe2(CO)8], and Na2[Fe3(CO)11]. Bis[μ-Nitrido-Bis(tr...

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Tetrachloroferrate

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Wendell E. Jr. (1961). "The Reaction of Ferric Chloride with Sodium and Potassium Chlorides". J. Phys. Chem. 65 (9): 1505–1511. doi:10.1021/j100905a008...

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