Potassium diorthoperiodocuprate (III) is an inorganic compound, a complex salt of potassium and copper metals and iodic acid with the formula K 7 [Cu (IO 6 ) 2 ], dissolves in water, forms a crystalline hydrate .
| Diorthoperiodatocuprate | |
|---|---|
| General | |
| Systematic name | Potassium diorthoperiodatocuprate (III) |
| Chem. formula | K 7 [Cu (IO 6 ) 2 ] |
| Physical properties | |
| Molar mass | 783.04 g / mol |
Getting
- Oxidation of an alkaline solution of potassium periodate with potassium peroxodisulfate in the presence of copper sulfate :
![{\displaystyle {\mathsf {2CuSO_{4}+4KIO_{4}+K_{2}S_{2}O_{6}(O_{2})+16KOH\ {\xrightarrow {}}\ 2K_{7}[Cu(IO_{6})_{2}]+4K_{2}SO_{4}+8H_{2}O}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/c5585126c44b02920b71f37e4a5e5fc8ca1e07ba)
Physical Properties
Potassium diorthoperiodocuprate (III) forms a crystalline hydrate of the composition K 7 [Cu (IO 6 ) 2 ] • 7H 2 O.
Literature
- Ripan R., Chetyanu I. Inorganic chemistry. Chemistry of metals. - M .: Mir, 1972. - T. 2. - 871 p.