6Na4[Fe(CN)6] + 73O2 → 24NaNO3 + 4Fe(NO3)3 + 36CO + 2FeO
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- Reaction of sodium hexacyanidoferrate(II) and
The reaction of sodium hexacyanidoferrate(II) and yields sodium nitrate, iron(III) nitrate, carbon monoxide, and iron(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 sodium hexacyanidoferrate(II) and
General equation
- Reaction of reducing species and oxidizing species
- Reducing speciesReducing agent + Oxidizing speciesOxidizing agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of sodium hexacyanidoferrate(II) and
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Na4[Fe(CN)6] | Sodium hexacyanidoferrate(II) | 6 | Reducing | Reducing |
| 73 | Oxidizing | Oxidizing |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NaNO3 | Sodium nitrate | 24 | Redoxed product | – |
| Fe(NO3)3 | Iron(III) nitrate | 4 | Redoxed product | – |
| CO | Carbon monoxide | 36 | Reduced | – |
| FeO | Iron(II) oxide | 2 | Reduced | – |
Thermodynamic changes
Changes in aqueous solution (1)
- Reaction of sodium hexacyanidoferrate(II) and
- 6Na4[Fe(CN)6]Ionized aqueous solution + 73Un-ionized aqueous solution24NaNO3Ionized aqueous solution + 4Fe(NO3)3Ionized aqueous solution + 36COGas + 2FeOCrystalline solid⟶
| 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 | −14061.1 | – | – | – |
per 1 mol of | −2343.52 | – | – | – |
| −192.618 | – | – | – | |
per 1 mol of | −585.879 | – | – | – |
per 1 mol of | −3515.28 | – | – | – |
per 1 mol of | −390.586 | – | – | – |
per 1 mol of | −7030.55 | – | – | – |
Changes in aqueous solution (2)
- Reaction of sodium hexacyanidoferrate(II) and
- 6Na4[Fe(CN)6]Ionized aqueous solution + 73Un-ionized aqueous solution24NaNO3Ionized aqueous solution + 4Fe(NO3)3Ionized aqueous solution + 36COUn-ionized aqueous solution + 2FeOCrystalline solid⟶
| 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 | −14436.8 | – | – | – |
per 1 mol of | −2406.13 | – | – | – |
| −197.764 | – | – | – | |
per 1 mol of | −601.533 | – | – | – |
per 1 mol of | −3609.20 | – | – | – |
per 1 mol of | −401.022 | – | – | – |
per 1 mol of | −7218.40 | – | – | – |
Changes in aqueous solution (3)
- Reaction of sodium hexacyanidoferrate(II) and
- 6Na4[Fe(CN)6]Ionized aqueous solution + 73Un-ionized aqueous solution24NaNO3Ionized aqueous solution + 4Fe(NO3)3Aqueous solution + 36COGas + 2FeOCrystalline solid⟶
| 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 | −14077.9 | – | – | – |
per 1 mol of | −2346.32 | – | – | – |
| −192.848 | – | – | – | |
per 1 mol of | −586.579 | – | – | – |
per 1 mol of | −3519.47 | – | – | – |
per 1 mol of | −391.053 | – | – | – |
per 1 mol of | −7038.95 | – | – | – |
Changes in aqueous solution (4)
- Reaction of sodium hexacyanidoferrate(II) and
- 6Na4[Fe(CN)6]Ionized aqueous solution + 73Un-ionized aqueous solution24NaNO3Ionized aqueous solution + 4Fe(NO3)3Aqueous solution + 36COUn-ionized aqueous solution + 2FeOCrystalline solid⟶
| 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 | −14453.6 | – | – | – |
per 1 mol of | −2408.93 | – | – | – |
| −197.995 | – | – | – | |
per 1 mol of | −602.233 | – | – | – |
per 1 mol of | −3613.40 | – | – | – |
per 1 mol of | −401.489 | – | – | – |
per 1 mol of | −7226.80 | – | – | – |
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 |
|---|---|---|---|---|
| Na4[Fe(CN)6] (ai) | -505.0[1] | -352.53[1] | 331.0[1] | – |
| (g) | 0[1] | 0[1] | 205.138[1] | 29.355[1] |
| (ao) | -11.7[1] | 16.4[1] | 110.9[1] | – |
* (ai):Ionized aqueous solution, (g):Gas, (ao):Un-ionized aqueous solution
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 |
|---|---|---|---|---|
| NaNO3 (cr) | -467.85[1] | -367.00[1] | 116.52[1] | 92.88[1] |
| NaNO3 (ai) | -447.48[1] | -373.15[1] | 205.4[1] | -40.2[1] |
| Fe(NO3)3 (ai) | -670.7[1] | -338.3[1] | 123.4[1] | – |
| Fe(NO3)3 (aq) | -674.9[1] | – | – | – |
| Fe(NO3)3 (cr) 9 hydrate | -3285.3[1] | – | – | – |
| CO (g) | -110.525[1] | -137.168[1] | 197.674[1] | 29.142[1] |
| CO (ao) | -120.96[1] | -119.90[1] | 104.6[1] | – |
| FeO (cr) | -272.0[1] | – | – | – |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (aq):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°, -505.0 kJ · mol−1
- ^ ΔfG°, -352.53 kJ · mol−1
- ^ S°, 331.0 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 205.138 J · K−1 · mol−1
- ^ Cp°, 29.355 J · K−1 · mol−1
- ^ ΔfH°, -11.7 kJ · mol−1
- ^ ΔfG°, 16.4 kJ · mol−1
- ^ S°, 110.9 J · K−1 · mol−1
- ^ ΔfH°, -467.85 kJ · mol−1
- ^ ΔfG°, -367.00 kJ · mol−1
- ^ S°, 116.52 J · K−1 · mol−1
- ^ Cp°, 92.88 J · K−1 · mol−1
- ^ ΔfH°, -447.48 kJ · mol−1
- ^ ΔfG°, -373.15 kJ · mol−1
- ^ S°, 205.4 J · K−1 · mol−1
- ^ Cp°, -40.2 J · K−1 · mol−1
- ^ ΔfH°, -670.7 kJ · mol−1
- ^ ΔfG°, -338.3 kJ · mol−1
- ^ S°, 123.4 J · K−1 · mol−1
- ^ ΔfH°, -674.9 kJ · mol−1
- ^ ΔfH°, -3285.3 kJ · mol−1
- ^ ΔfH°, -110.525 kJ · mol−1
- ^ ΔfG°, -137.168 kJ · mol−1
- ^ S°, 197.674 J · K−1 · mol−1
- ^ Cp°, 29.142 J · K−1 · mol−1
- ^ ΔfH°, -120.96 kJ · mol−1
- ^ ΔfG°, -119.90 kJ · mol−1
- ^ S°, 104.6 J · K−1 · mol−1
- ^ ΔfH°, -272.0 kJ · mol−1