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Potassium hexacyanochromate(III)

Potassium hexacyanochromate(III) is an inorganic compound with the formula K3[Cr(CN)6]. It consists of three potassium cations and [Cr(CN)6]3− anion. It is a yellow, air-stable, paramagnetic solid. It is isomorphous with potassium ferricyanide.

Synthesis and reactions

The salt is prepared by treating chromium(III) salts with KCN.

Reduction of hexacyanochromate(III) gives the Cr(II) and Cr(0) derivatives, [Cr(CN)6]4- and [Cr(CN)6]6-, respectively.

References

References

  1. F. Hein. "Handbook of Preparative Inorganic Chemistry".
  2. (1906). "The insoluble Chromicyanides". J. Am. Chem. Soc..
  3. (2004). "Potassium Hexacyanochromate(III) and Its 13C-Enriched Analog".
  4. (1981). "The Complex Cyanides of Chromium(II) and Chromium(0)". Transition Metal Chemistry.
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potassium-compounds chromium-complexes cyanometallates chromium(iii)-compounds
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