Silver(I) permanganate
Silver(I) permanganate is an inorganic compound with formula AgMnO4.
- 1Names
- 2Formulae and structures
- 3Properties
- 4Constituents
- 5Thermodynamic properties
- 6Solubility
- 7Preparations
- 8Chemical reactions
- 9References
- 10Related substances
- 11Related categories
Names
List of substance names
- Typical name
- Silver(I) permanganate
- Compositional nomenclature
- Silver(I) permanganate
- Additive nomenclature
- Silver(I) tetraoxidomanganate(1−)
- Other names
- Silver(I) manganate(VII)
Formulae and structures
List of formulae
- Typical formula
- AgMnO4
- Compositional formula
- AgMnO4
- Structural formula
- Other structural formulas
- Lewis structure
- Colored Lewis structure
Properties
List of substance properties
- Name
- Silver(I) permanganate
- Formula
- AgMnO4
- Appearance
- Black purple solid
- Odor
- Odorless
- Molar mass
- 226.802 g/mol
- Density
- 4.49 g/cm3[1]Solid
- Melting point
- –
- Boiling point
- –
Constituents
Constituent ions
| Ion | Name | Charge number | Number |
|---|---|---|---|
| Ag+ | Silver(I) ion | 1 | 1 |
| MnO4− | Permanganate ion | -1 | 1 |
Constituent atoms
| Atom | Name | Oxidation state | Number |
|---|---|---|---|
| Ag | Silver | +1 | 1 |
| Mn | Mangenese | +7 | 1 |
| O | Oxygen | −2 | 4 |
Ratio of atoms
| Atom | Atomic weight | Number | Atomic ratio | Weight ratio |
|---|---|---|---|---|
| Ag | 107.8682 | 1 | 16.67% | 47.56% |
| Mn | 54.938 | 1 | 16.67% | 24.22% |
| O | 15.999 | 4 | 66.67% | 28.22% |
Thermodynamic properties
Phase transition properties
- Enthalpy of fusion
- –
- Enthalpy of vaporization
- –
- Enthalpy of vaporization at 25°C
- –
- Enthalpy of other transition
- –
Solubility
Qualitative solubility
Solubility in water (g/100 mL)[2]
| 20°C |
|---|
| 0.92 |
Solubility in water (g/100 mL)[1]
| 20°C |
|---|
| 0.9 |
Solubility curve (g/100 mL)
Preparations
Reaction of basic oxide and acid
The reaction of silver(I) oxide and permanganic acid yields silver(I) permanganate and water.
Reaction of basic oxide and acidic oxide
The reaction of silver(I) oxide and manganese(VII) oxide yields silver(I) permanganate.
Reaction of salt of weak acid and strong acid
The reaction of salt of weak acid and strong acid can yield silver(I) permanganate.
Precipitation reaction
When silver(I) ion and permanganate ion react in aqueous solution, a precipitate of silver(I) permanganate is formed.
Reaction of inactive metal and oxidizing acid
The reaction of and permanganic acid yields silver(I) permanganate, manganese(IV) oxide, and water.
Chemical reactions
Electrolytic dissociation
Electrolytic dissociation of silver(I) permanganate yields silver(I) ion and permanganate ion.
Reaction with dehydrating acid
The reaction of silver(I) permanganate and sulfuric acid yields silver(I) sulfate, manganese(VII) oxide, and water.
Reaction with reducing species
The reaction of reducing species and silver(I) permanganate yields a variety of products.
Reaction with oxidizable species
The reaction of oxidizable species and silver(I) permanganate yields a variety of products.
Reaction with oxidizable species under acidic condition
The reaction of oxidizable species, silver(I) permanganate, and hydrogen ion yields a variety of products.
Reaction with oxidizable species under neutral condition
The reaction of oxidizable species, silver(I) permanganate, and water yields a variety of products.
Reaction with hardly oxidizable species
The reaction of hardly oxidizable species and silver(I) permanganate yields a variety of products.
Reaction with hardly oxidizable species under acidic condition
The reaction of hardly oxidizable species, silver(I) permanganate, and hydrogen ion yields a variety of products.
Reaction with hardly oxidizable species under neutral condition
The reaction of hardly oxidizable species, silver(I) permanganate, and water yields a variety of products.
Decomposition
Decomposition of silver(I) permanganate yields a variety of products.
References
List of references
- 1James G. Speight (2017)Lange's Handbook of Chemistry, 17th editionMcGraw Hill Education
- 2Atherton Seidell (1919)Solubilities of Inorganic and Organic Compounds: A Compilation of Quantitative Solubility Data From the Periodical LiteratureD. Van Nostrand Company
