2SnSO4 + 18e− → 2Sn + S22− + 8O2−
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- Reduction of tin(II) sulfate
Reduction of tin(II) sulfate yields , disulfide ion, and oxide ion (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 tin(II) sulfate
General equation
- Reduction of reducible species
- ReactantOxidizing agent + e− ⟶ ProductReduction product
Oxidation state of each atom
- Reduction of tin(II) sulfate
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
SnSO4 | Tin(II) sulfate | 2 | Oxidizing | – |
e− | Electron | 18 | – | Electron |
Products
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 |
---|---|---|---|---|
SnSO4 | – | – | – | – |
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 |
---|---|---|---|---|
(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] |
S22− (ao) | 30.1[1] | 79.5[1] | 28.5[1] | – |
O2− | – | – | – | – |
* (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°, 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°, 30.1 kJ · mol−1
- ^ ΔfG°, 79.5 kJ · mol−1
- ^ S°, 28.5 J · K−1 · mol−1