Silver sulfite
From Infogalactic: the planetary knowledge core
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| Names | |
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| IUPAC name
Silver(I) sulfite, Silver sulfite
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| Identifiers | |
13465-98-0  |
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| ChemSpider | 2341258 |
| EC Number | 236-714-6 |
| Jmol 3D model | Interactive image |
| PubChem | 3084149 |
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| Properties | |
| Ag2O3S | |
| Molar mass | 295.79 g·mol−1 |
| Appearance | White crystals |
| Odor | Odorless |
| Melting point | 100 °C (212 °F; 373 K) decomposes[1][4] |
| 4.6 mg/L (20 °C)[1] | |
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Solubility product (Ksp)
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1.5·10−14[1] |
| Solubility | Soluble in aq. NH4OH, alkali sulfites, AcOH Decomposes in strong acids[2] Insoluble in liquid SO2[3] |
| Structure | |
| Monoclinic, mP24[5] | |
| P21/c, No. 14[5] | |
| 2/m[5] | |
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a = 4.6507 Å, b = 7.891 Å, c = 11.173 Å[5]
α = 90°, β = 120.7°, γ = 90°
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| Vapor pressure | {{{value}}} |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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| Infobox references | |
Silver sulfite is the chemical compound with the formula Ag2SO3. This unstable silver compound when heated and/or in light it decomposes to silver dithionate and silver sulfate.[3]
Preparation
Silver sulfite can be prepared by dissolving silver nitrate with the stoichiometric quantity of sodium sulfite solution, yielding a precipitation of silver sulfite by the following reaction:
- 2 AgNO3 + Na2SO3 ⇌ Ag2SO3 + 2 NaNO3
After precipitation then filtering silver sulfite, washing it using well-boiled water, and drying it in vacuum.[3]
References
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- ↑ Cite error: Invalid
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