Na2[Sn(OH)6] + 10e− → Na2O + Sn + 5O2− + 3H2↑
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- Reduction of sodium hexahydroxidostannate(IV)
Reduction of sodium hexahydroxidostannate(IV) yields sodium oxide, , 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 sodium hexahydroxidostannate(IV)
General equation
- Reduction of reducible species
- ReactantOxidizing agent + e− ⟶ ProductReduction product
Oxidation state of each atom
- Reduction of sodium hexahydroxidostannate(IV)
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
Na2[Sn(OH)6] | Sodium hexahydroxidostannate(IV) | 1 | Oxidizing | – |
e− | Electron | 10 | – | Electron |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
Na2O | Sodium oxide | 1 | – | – |
1 | Reduced | – | ||
O2− | Oxide ion | 5 | – | – |
3 | 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 |
---|---|---|---|---|
Na2[Sn(OH)6] | – | – | – | – |
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 |
---|---|---|---|---|
Na2O (cr) | -414.22[1] | -375.46[1] | 75.06[1] | 69.12[1] |
Na2O (g) | -35.6[1] | -52.3[1] | 261.2[1] | 55.2[1] |
(cr) white | 0[1] | 0[1] | 51.55[1] | 26.99[1] |
(cr) gray | -2.09[1] | 0.13[1] | 44.14[1] | 25.77[1] |
(g) | 302.1[1] | 267.3[1] | 168.486[1] | 21.259[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°, -414.22 kJ · mol−1
- ^ ΔfG°, -375.46 kJ · mol−1
- ^ S°, 75.06 J · K−1 · mol−1
- ^ Cp°, 69.12 J · K−1 · mol−1
- ^ ΔfH°, -35.6 kJ · mol−1
- ^ ΔfG°, -52.3 kJ · mol−1
- ^ S°, 261.2 J · K−1 · mol−1
- ^ Cp°, 55.2 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 51.55 J · K−1 · mol−1
- ^ Cp°, 26.99 J · K−1 · mol−1
- ^ ΔfH°, -2.09 kJ · mol−1
- ^ ΔfG°, 0.13 kJ · mol−1
- ^ S°, 44.14 J · K−1 · mol−1
- ^ Cp°, 25.77 J · K−1 · mol−1
- ^ ΔfH°, 302.1 kJ · mol−1
- ^ ΔfG°, 267.3 kJ · mol−1
- ^ S°, 168.486 J · K−1 · mol−1
- ^ Cp°, 21.259 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