4SnCl2 + MnO2 → 2SnCl4 + Mn + 2SnO
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- Reaction of tin(II) chloride and manganese(IV) oxide
The reaction of tin(II) chloride and manganese(IV) oxide yields tin(IV) chloride, , and tin(II) oxide (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of tin(II) chloride and manganese(IV) oxide
General equation
- Reaction of reducing species and reducible species
- Reducing speciesReducing agent + Reducible speciesOxidizing agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of tin(II) chloride and manganese(IV) oxide
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| SnCl2 | Tin(II) chloride | 4 | Reducing | Reducing |
| MnO2 | Manganese(IV) oxide | 1 | Oxidizing | Reducible |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| SnCl4 | Tin(IV) chloride | 2 | Oxidized | – |
| 1 | Reduced | – | ||
| SnO | Tin(II) oxide | 2 | – | – |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of tin(II) chloride and manganese(IV) oxide
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | 226.2 | – | – | – |
per 1 mol of | 56.55 | – | – | – |
per 1 mol of | 226.2 | – | – | – |
per 1 mol of | 113.1 | – | – | – |
| 226.2 | – | – | – | |
per 1 mol of | 113.1 | – | – | – |
Changes in standard condition (2)
- Reaction of tin(II) chloride and manganese(IV) oxide
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
| – | – | – | – | |
per 1 mol of | – | – | – | – |
Changes in standard condition (3)
- Reaction of tin(II) chloride and manganese(IV) oxide
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | 227.8 | – | – | – |
per 1 mol of | 56.95 | – | – | – |
per 1 mol of | 227.8 | – | – | – |
per 1 mol of | 113.9 | – | – | – |
| 227.8 | – | – | – | |
per 1 mol of | 113.9 | – | – | – |
Changes in standard condition (4)
- Reaction of tin(II) chloride and manganese(IV) oxide
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | 208.7 | – | – | – |
per 1 mol of | 52.17 | – | – | – |
per 1 mol of | 208.7 | – | – | – |
per 1 mol of | 104.3 | – | – | – |
| 208.7 | – | – | – | |
per 1 mol of | 104.3 | – | – | – |
Changes in standard condition (5)
- Reaction of tin(II) chloride and manganese(IV) oxide
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
per 1 mol of | – | – | – | – |
| – | – | – | – | |
per 1 mol of | – | – | – | – |
Changes in standard condition (6)
- Reaction of tin(II) chloride and manganese(IV) oxide
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | 210.3 | – | – | – |
per 1 mol of | 52.58 | – | – | – |
per 1 mol of | 210.3 | – | – | – |
per 1 mol of | 105.2 | – | – | – |
| 210.3 | – | – | – | |
per 1 mol of | 105.2 | – | – | – |
Changes in aqueous solution
- Reaction of tin(II) chloride and manganese(IV) oxide
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | 226.2 | – | – | – |
per 1 mol of | 56.55 | – | – | – |
per 1 mol of | 226.2 | – | – | – |
per 1 mol of | 113.1 | – | – | – |
| 226.2 | – | – | – | |
per 1 mol of | 113.1 | – | – | – |
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 |
|---|---|---|---|---|
| SnCl2 (cr) | -325.1[1] | – | – | – |
| SnCl2 (cr) 2 hydrate | -921.3[1] | – | – | – |
| MnO2 (cr) | -520.03[1] | -465.14[1] | 53.05[1] | 54.14[1] |
| MnO2 (am) precipitated | -502.5[1] | – | – | – |
* (cr):Crystalline solid, (am):Amorphous solid
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 |
|---|---|---|---|---|
| SnCl4 (l) | -511.3[1] | -440.1[1] | 258.6[1] | 165.3[1] |
| SnCl4 (g) | -471.5[1] | -432.2[1] | 365.8[1] | 98.3[1] |
| (cr) α | 0[1] | 0[1] | 32.01[1] | 26.32[1] |
| (cr) β | – | – | 34.39[1] | 26.53[1] |
| (cr) γ | 1.55[1] | 1.42[1] | 32.43[1] | 27.57[1] |
| (g) | 280.7[1] | 238.5[1] | 173.70[1] | 20.79[1] |
| SnO (cr) | -285.8[1] | -256.9[1] | 56.5[1] | 44.31[1] |
| SnO (g) | 15.1[1] | -8.4[1] | 232.11[1] | 31.59[1] |
* (l):Liquid, (g):Gas, (cr):Crystalline solid
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°, -325.1 kJ · mol−1
- ^ ΔfH°, -921.3 kJ · mol−1
- ^ ΔfH°, -520.03 kJ · mol−1
- ^ ΔfG°, -465.14 kJ · mol−1
- ^ S°, 53.05 J · K−1 · mol−1
- ^ Cp°, 54.14 J · K−1 · mol−1
- ^ ΔfH°, -502.5 kJ · mol−1
- ^ ΔfH°, -511.3 kJ · mol−1
- ^ ΔfG°, -440.1 kJ · mol−1
- ^ S°, 258.6 J · K−1 · mol−1
- ^ Cp°, 165.3 J · K−1 · mol−1
- ^ ΔfH°, -471.5 kJ · mol−1
- ^ ΔfG°, -432.2 kJ · mol−1
- ^ S°, 365.8 J · K−1 · mol−1
- ^ Cp°, 98.3 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 32.01 J · K−1 · mol−1
- ^ Cp°, 26.32 J · K−1 · mol−1
- ^ S°, 34.39 J · K−1 · mol−1
- ^ Cp°, 26.53 J · K−1 · mol−1
- ^ ΔfH°, 1.55 kJ · mol−1
- ^ ΔfG°, 1.42 kJ · mol−1
- ^ S°, 32.43 J · K−1 · mol−1
- ^ Cp°, 27.57 J · K−1 · mol−1
- ^ ΔfH°, 280.7 kJ · mol−1
- ^ ΔfG°, 238.5 kJ · mol−1
- ^ S°, 173.70 J · K−1 · mol−1
- ^ Cp°, 20.79 J · K−1 · mol−1
- ^ ΔfH°, -285.8 kJ · mol−1
- ^ ΔfG°, -256.9 kJ · mol−1
- ^ S°, 56.5 J · K−1 · mol−1
- ^ Cp°, 44.31 J · K−1 · mol−1
- ^ ΔfH°, 15.1 kJ · mol−1
- ^ ΔfG°, -8.4 kJ · mol−1
- ^ S°, 232.11 J · K−1 · mol−1
- ^ Cp°, 31.59 J · K−1 · mol−1