[Be(OH)4]2− + 2e− → BeO + 2OH− + O2− + H2
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- Reduction of tetrahydroxidoberyllate ion
- [Be(OH)4]2−Tetrahydroxidoberyllate ion + 2e−ElectronBeOBeryllium oxide + 2OH−Hydroxide ion + O2−Oxide ion +⟶
Reduction of tetrahydroxidoberyllate ion yields beryllium oxide, hydroxide ion, oxide ion, and (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reduction of tetrahydroxidoberyllate ion
- [Be(OH)4]2−Tetrahydroxidoberyllate ion + 2e−ElectronBeOBeryllium oxide + 2OH−Hydroxide ion + O2−Oxide ion +⟶
General equation
- Reduction of reducible species
- ReactantOxidizing agent + e− ⟶ ProductReduction product
Oxidation state of each atom
- Reduction of tetrahydroxidoberyllate ion
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
[Be(OH)4]2− | Tetrahydroxidoberyllate ion | 1 | Oxidizing | – |
e− | Electron | 2 | – | Electron |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
BeO | Beryllium oxide | 1 | – | – |
OH− | Hydroxide ion | 2 | – | – |
O2− | Oxide ion | 1 | – | – |
1 | Reduced | – |
Thermodynamic changes
Thermodynamic data of reactants
Chemical formula | Standard enthalpy of formation ΔfH° kJ · mol−1 | Standard Gibbs energy of formation ΔfG° kJ · mol−1 | Standard molar entropy S° J · K−1 · mol−1 | Standard molar heat capacity at constant pressure Cp° J · K−1 · mol−1 |
---|---|---|---|---|
[Be(OH)4]2− | – | – | – | – |
e− | – | – | – | – |
Thermodynamic data of products
Chemical formula | Standard enthalpy of formation ΔfH° kJ · mol−1 | Standard Gibbs energy of formation ΔfG° kJ · mol−1 | Standard molar entropy S° J · K−1 · mol−1 | Standard molar heat capacity at constant pressure Cp° J · K−1 · mol−1 |
---|---|---|---|---|
BeO (cr) | -609.6[1] | -580.3[1] | 14.14[1] | 25.52[1] |
BeO (g) | 117[1] | – | – | – |
OH− (g) | -143.5[1] | – | – | – |
OH− (ao) | -229.994[1] | -157.244[1] | -10.75[1] | -148.5[1] |
O2− | – | – | – | – |
(g) | 0[1] | 0[1] | 130.684[1] | 28.824[1] |
(ao) | -4.2[1] | 17.6[1] | 577[1] | – |
* (cr):Crystalline solid, (g):Gas, (ao):Un-ionized aqueous solution
References
List of references
- 1Janiel J. Reed (1989)The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI UnitsNational Institute of Standards and Technology (NIST)
- ^ ΔfH°, -609.6 kJ · mol−1
- ^ ΔfG°, -580.3 kJ · mol−1
- ^ S°, 14.14 J · K−1 · mol−1
- ^ Cp°, 25.52 J · K−1 · mol−1
- ^ ΔfH°, 117. kJ · mol−1
- ^ ΔfH°, -143.5 kJ · mol−1
- ^ ΔfH°, -229.994 kJ · mol−1
- ^ ΔfG°, -157.244 kJ · mol−1
- ^ S°, -10.75 J · K−1 · mol−1
- ^ Cp°, -148.5 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 130.684 J · K−1 · mol−1
- ^ Cp°, 28.824 J · K−1 · mol−1
- ^ ΔfH°, -4.2 kJ · mol−1
- ^ ΔfG°, 17.6 kJ · mol−1
- ^ S°, 577 J · K−1 · mol−1