SnBr4 + 4e− → Sn + 4Br−
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- Reduction of tin(IV) bromide
Reduction of tin(IV) bromide yields and bromide 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(IV) bromide
General equation
- Reduction of reducible species
- ReactantOxidizing agent + e− ⟶ ProductReduction product
Oxidation state of each atom
- Reduction of tin(IV) bromide
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
SnBr4 | Tin(IV) bromide | 1 | Oxidizing | – |
e− | Electron | 4 | – | Electron |
Products
Thermodynamic changes
Changes in standard condition
- Reduction of tin(IV) bromide◆
ΔrG −65.6 kJ/mol K 3.11 × 1011 pK −11.49
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 | −108.8 | −65.6 | 116.8 | – |
per 1 mol of | −108.8 | −65.6 | 116.8 | – |
per 1 mol of Electron | −27.20 | −16.4 | 29.20 | – |
−108.8 | −65.6 | 116.8 | – | |
per 1 mol of Bromide ion | −27.20 | −16.4 | 29.20 | – |
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 |
---|---|---|---|---|
SnBr4 (cr) | -377.4[1] | -350.2[1] | 264.4[1] | – |
SnBr4 (g) | -314.6[1] | -331.4[1] | 411.94[1] | 103.39[1] |
SnBr4 (cr) 8 hydrate | -2767.7[1] | – | – | – |
SnBr4 (l) 8 hydrate | -2725.0[1] | – | – | – |
e− | – | – | – | – |
* (cr):Crystalline solid, (g):Gas, (l):Liquid
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] |
Br− (g) | -219.07[1] | – | – | – |
Br− (ao) | -121.55[1] | -103.96[1] | 82.4[1] | -141.8[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°, -377.4 kJ · mol−1
- ^ ΔfG°, -350.2 kJ · mol−1
- ^ S°, 264.4 J · K−1 · mol−1
- ^ ΔfH°, -314.6 kJ · mol−1
- ^ ΔfG°, -331.4 kJ · mol−1
- ^ S°, 411.94 J · K−1 · mol−1
- ^ Cp°, 103.39 J · K−1 · mol−1
- ^ ΔfH°, -2767.7 kJ · mol−1
- ^ ΔfH°, -2725.0 kJ · 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°, -219.07 kJ · mol−1
- ^ ΔfH°, -121.55 kJ · mol−1
- ^ ΔfG°, -103.96 kJ · mol−1
- ^ S°, 82.4 J · K−1 · mol−1
- ^ Cp°, -141.8 J · K−1 · mol−1