5Na3[Fe(CN)6] + 53H2O 💧⚡→ 15CH3COONa + 5Fe(OH)2 + 13NO↑ + 17NH3↑
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- Electrolysis of aqueous sodium hexacyanidoferrate(III) with water as non-redox agent
Electrolysis of aqueous sodium hexacyanidoferrate(III) yields sodium acetate, iron(II) hydroxide, nitrogen monoxide, and ammonia (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Electrolysis of aqueous sodium hexacyanidoferrate(III) with water as non-redox agent
General equation
- Electrolysis of aqueous solution with water as non redox agent
- Miscible with water/Very soluble in water/Soluble in waterSelf redox agent + H2ONon-redox agent💧⚡⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Electrolysis of aqueous sodium hexacyanidoferrate(III) with water as non-redox agent
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Na3[Fe(CN)6] | Sodium hexacyanidoferrate(III) | 5 | Self redox agent | Soluble in water |
| H2O | Water | 53 | – | Water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| CH3COONa | Sodium acetate | 15 | Redoxed product | – |
| Fe(OH)2 | Iron(II) hydroxide | 5 | Reduced | – |
| NO | Nitrogen monoxide | 13 | Oxidized | – |
| NH3 | Ammonia | 17 | – | – |
Thermodynamic changes
Changes in aqueous solution (1)
- Electrolysis of aqueous sodium hexacyanidoferrate(III) with water as non-redox agent◆
ΔrG 1794.8 kJ/mol K 0.37 × 10−314 pK 314.44
| 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 | 2594.4 | 1794.8 | 2694 | – |
per 1 mol of | 518.88 | 358.96 | 538.8 | – |
per 1 mol of | 48.951 | 33.864 | 50.83 | – |
per 1 mol of | 172.96 | 119.65 | 179.6 | – |
per 1 mol of | 518.88 | 358.96 | 538.8 | – |
per 1 mol of | 199.57 | 138.06 | 207.2 | – |
per 1 mol of | 152.61 | 105.58 | 158.5 | – |
Changes in aqueous solution (2)
- Electrolysis of aqueous sodium hexacyanidoferrate(III) with water as non-redox agent◆
ΔrG 1624.0 kJ/mol K 0.31 × 10−284 pK 284.51
| 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 | 2013.4 | 1624.0 | 1314 | – |
per 1 mol of | 402.68 | 324.80 | 262.8 | – |
per 1 mol of | 37.989 | 30.642 | 24.79 | – |
per 1 mol of | 134.23 | 108.27 | 87.60 | – |
per 1 mol of | 402.68 | 324.80 | 262.8 | – |
per 1 mol of | 154.88 | 124.92 | 101.1 | – |
per 1 mol of | 118.44 | 95.529 | 77.29 | – |
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 |
|---|---|---|---|---|
| Na3[Fe(CN)6] (ai) | -158.6[1] | -56.4[1] | 447.3[1] | – |
| H2O (cr) | – | – | – | – |
| H2O (l) | -285.830[1] | -237.129[1] | 69.91[1] | 75.291[1] |
| H2O (g) | -241.818[1] | -228.572[1] | 188.825[1] | 33.577[1] |
* (ai):Ionized aqueous solution, (cr):Crystalline solid, (l):Liquid, (g):Gas
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 |
|---|---|---|---|---|
| CH3COONa (cr) | -708.81[1] | -607.18[1] | 123.0[1] | 79.9[1] |
| CH3COONa (ai) | -726.13[1] | -631.20[1] | 145.6[1] | 40.2[1] |
| CH3COONa (cr) 3 hydrate | -1603.3[1] | -1328.6[1] | 243[1] | – |
| Fe(OH)2 (cr) precipitated | -569.0[1] | -486.5[1] | 88[1] | – |
| Fe(OH)2 (g) | -372[1] | – | – | – |
| NO (g) | 90.25[1] | 86.55[1] | 210.761[1] | 29.844[1] |
| NH3 (g) | -46.11[1] | -16.45[1] | 192.45[1] | 35.06[1] |
| NH3 (ao) | -80.29[1] | -26.50[1] | 111.3[1] | – |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (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°, -158.6 kJ · mol−1
- ^ ΔfG°, -56.4 kJ · mol−1
- ^ S°, 447.3 J · K−1 · mol−1
- ^ ΔfH°, -285.830 kJ · mol−1
- ^ ΔfG°, -237.129 kJ · mol−1
- ^ S°, 69.91 J · K−1 · mol−1
- ^ Cp°, 75.291 J · K−1 · mol−1
- ^ ΔfH°, -241.818 kJ · mol−1
- ^ ΔfG°, -228.572 kJ · mol−1
- ^ S°, 188.825 J · K−1 · mol−1
- ^ Cp°, 33.577 J · K−1 · mol−1
- ^ ΔfH°, -708.81 kJ · mol−1
- ^ ΔfG°, -607.18 kJ · mol−1
- ^ S°, 123.0 J · K−1 · mol−1
- ^ Cp°, 79.9 J · K−1 · mol−1
- ^ ΔfH°, -726.13 kJ · mol−1
- ^ ΔfG°, -631.20 kJ · mol−1
- ^ S°, 145.6 J · K−1 · mol−1
- ^ Cp°, 40.2 J · K−1 · mol−1
- ^ ΔfH°, -1603.3 kJ · mol−1
- ^ ΔfG°, -1328.6 kJ · mol−1
- ^ S°, 243. J · K−1 · mol−1
- ^ ΔfH°, -569.0 kJ · mol−1
- ^ ΔfG°, -486.5 kJ · mol−1
- ^ S°, 88. J · K−1 · mol−1
- ^ ΔfH°, -372. kJ · mol−1
- ^ ΔfH°, 90.25 kJ · mol−1
- ^ ΔfG°, 86.55 kJ · mol−1
- ^ S°, 210.761 J · K−1 · mol−1
- ^ Cp°, 29.844 J · K−1 · mol−1
- ^ ΔfH°, -46.11 kJ · mol−1
- ^ ΔfG°, -16.45 kJ · mol−1
- ^ S°, 192.45 J · K−1 · mol−1
- ^ Cp°, 35.06 J · K−1 · mol−1
- ^ ΔfH°, -80.29 kJ · mol−1
- ^ ΔfG°, -26.50 kJ · mol−1
- ^ S°, 111.3 J · K−1 · mol−1