Silver dichromate
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Names | |||
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IUPAC name
Silver dichromate
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Identifiers | |||
3D model (JSmol)
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ChemSpider | |||
ECHA InfoCard | 100.029.131 | ||
EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |||
Ag2Cr2O7 | |||
Molar mass | 431.76 g/mol | ||
Appearance | ruby red powder | ||
Density | 4.77 g/cm3 | ||
Ksp = 2.0×10−7 | |||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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Silver dichromate is a chemical compound with the formula Ag2Cr2O7. It is insoluble in water and decomposes when treated with hot water. Its anion has a charge of -2.
Synthesis
- K2Cr2O7 (aq) + 2 AgNO3 (aq) --> Ag2Cr2O7 (s) + 2 KNO3 (aq)
Applications
Related complexes are used as oxidants in organic chemistry. For instance, tetrakis(pyridine)silver dichromate, [Ag2(py)4]2+[Cr2O7]2−, is used to convert benzylic and allylic alcohols to corresponding carbonyl compounds.