Silver dichromate
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IUPAC name Silver dichromate | |||
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ECHA InfoCard | 100.029.131 | ||
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InChI
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Properties | |||
Chemical formula | Ag2Cr2O7 | ||
Molar mass | 431.76 g/mol | ||
Appearance | ruby red powder | ||
Density | 4.77 g/cm3 | ||
Solubility in water | 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 |
Chemical compound
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.[1] For instance, tetrakis(pyridine)silver dichromate, [Ag2(py)4]2+[Cr2O7]2−, is used to convert benzylic and allylic alcohols to corresponding carbonyl compounds.[2]
References
- ^ Firouzabadi, H.; Seddighi, M.; Ahmadi, Z. Arab; Sardarian, A. R. (1989). "Selective Oxidative Cleavage of Benzylic Carbon-Nitrogen Double Bonds Under Non-Aqueous Condition with Tetrakis(pyridine)-Silver Dichromate [(Py)2Ag]2Cr2O7". Synthetic Communications. 19 (19): 3385. doi:10.1080/00397918908052745.
- ^ Firouzabadi, H.; Sardarian, A.; Gharibi, H. (1984). "Tetrakis (Pyridine)silver Dichromate Py4Ag2Cr207 - A Mild and Efficient Reagent for the Conversion of Benzylic and Allylic Alcohols to Their Corresponding Carbonyl Compounds". Synthetic Communications. 14: 89–94. doi:10.1080/00397918408060869.
- Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.
- v
- t
- e
- Ag2F
- AgBF4
- AgBr
- AgBrO3
- AgCN
- AgCNO
- AgCl
- AgClO
- AgClO2
- AgClO3
- AgClO4
- AgF
- AgI
- AgIO3
- AgMnO4
- AgNO2
- AgNO3
- AgN3
- Ag3N
- AgReO4
- AgOCN
- AgSCN
- AgCF3SO3
- AgPF6
- Ag2CO3
- Ag2C2
- Ag2C2O4
- Ag2CrO4
- Ag2Cr2O7
- Ag2MoO4
- Ag2O
- Ag2S
- Ag2SO3
- Ag2S2O3
- Ag2SO4
- AgHSO4
- Ag2Se
- Ag2SeO3
- Ag2Te
- Ag3AsO4
- Ag3PO4
- KAg(CN)2
- RbAg4I5
- Ag(NH3)2OH
- Ag2N2O2
- Ag2WO4
Organosilver(I) compounds | 18H 36AgO 2 11H 23COO |
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- AgF2
- [Ag(C5H5N)4]S2O8
- Ag2O3
- AgF3
- Ag2S3
- Ag4O4