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Rhodium(III) perchlorate

Rhodium(III) perchlorate refers to the inorganic compound with the formula Rh(H2O)6(ClO4)3. It is a hygroscopic yellow solid. It is the perchlorate salt of the tricationic aquo complex [Rh(H2O)6]3+. The compound is prepared by treating hydrated rhodium(III) chloride and perchloric acid at elevated temperatures:[1]

Rhodium(III) perchlorate
Identifiers
3D model (JSmol)
  • anhydrous: InChI=1S/3ClHO4.Rh/c3*2-1(3,4)5;/h3*(H,2,3,4,5);/q;;;+3/p-3
    Key: LCAWZYUJRNVLIG-UHFFFAOYSA-K
  • anhydrous: [O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[Rh+3]
Properties
[Rh(H2O)6](ClO4)3
Appearance yellow solid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
[Rh(H2O)6]Cl3 + 3 HClO4 → [Rh(H2O)6](ClO4)3 + 3 HCl

The reaction of rhodium(III) hydroxide with concentrated perchloric acid also produce rhodium(III) perchlorate.[2]

Rh(OH)3 + 3 HClO4 → Rh(ClO4)3 + 3 H2O

References

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  1. ^ Ayres, Gilbert H.; Forrester, John S. (1957). "The Preparation of Rhodium(III) Perchlorate Hexahydrate". Journal of Inorganic and Nuclear Chemistry. 3: 365–366. doi:10.1016/0022-1902(57)80042-6.
  2. ^ Gilbert H. Ayres, John S. Forrester. The preparation of rhodium(III) perchlorate hexahydrate. Journal of Inorganic and Nuclear Chemistry, 1957. Vol.3, Iss.6, pp 365-366


 

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