2NH4CN + 6H2O 💧⚡→ 2NH4NO2 + CH3COOH + 4H2↑
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- Electrolysis of aqueous ammonium cyanide with water as non-redox agent
Electrolysis of aqueous ammonium cyanide yields ammonium nitrite, acetic acid, and (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 ammonium cyanide 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 ammonium cyanide with water as non-redox agent
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NH4CN | Ammonium cyanide | 2 | Reducing | Very soluble in water |
| H2O | Water | 6 | – | Water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| NH4NO2 | Ammonium nitrite | 2 | Oxidized | – |
| CH3COOH | Acetic acid | 1 | Redoxed product | – |
| 4 | – | – |
Thermodynamic changes
Changes in standard condition
- Electrolysis of aqueous ammonium cyanide with water as non-redox agent
| 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 | 716.6 | – | – | – |
per 1 mol of | 358.3 | – | – | – |
per 1 mol of | 119.4 | – | – | – |
per 1 mol of | 358.3 | – | – | – |
per 1 mol of | 716.6 | – | – | – |
| 179.2 | – | – | – |
Changes in aqueous solution (1)
- Electrolysis of aqueous ammonium cyanide with water as non-redox agent◆
ΔrG 617.1 kJ/mol K 0.77 × 10−108 pK 108.11
| 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 | 718.8 | 617.1 | 339.8 | – |
per 1 mol of | 359.4 | 308.6 | 169.9 | – |
per 1 mol of | 119.8 | 102.9 | 56.63 | – |
per 1 mol of | 359.4 | 308.6 | 169.9 | – |
per 1 mol of | 718.8 | 617.1 | 339.8 | – |
| 179.7 | 154.3 | 84.95 | – |
Changes in aqueous solution (2)
- Electrolysis of aqueous ammonium cyanide with water as non-redox agent◆
ΔrG 687.5 kJ/mol K 0.36 × 10−120 pK 120.44
| 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 | 702.0 | 687.5 | 2125 | – |
per 1 mol of | 351.0 | 343.8 | 1063 | – |
per 1 mol of | 117.0 | 114.6 | 354.2 | – |
per 1 mol of | 351.0 | 343.8 | 1063 | – |
per 1 mol of | 702.0 | 687.5 | 2125 | – |
| 175.5 | 171.9 | 531.3 | – |
Changes in aqueous solution (3)
- Electrolysis of aqueous ammonium cyanide with water as non-redox agent
| 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 | 690.4 | – | – | – |
per 1 mol of | 345.2 | – | – | – |
per 1 mol of | 115.1 | – | – | – |
per 1 mol of | 345.2 | – | – | – |
per 1 mol of | 690.4 | – | – | – |
| 172.6 | – | – | – |
Changes in aqueous solution (4)
- Electrolysis of aqueous ammonium cyanide with water as non-redox agent
| 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 | 673.6 | – | – | – |
per 1 mol of | 336.8 | – | – | – |
per 1 mol of | 112.3 | – | – | – |
per 1 mol of | 336.8 | – | – | – |
per 1 mol of | 673.6 | – | – | – |
| 168.4 | – | – | – |
Changes in aqueous solution (5)
- Electrolysis of aqueous ammonium cyanide with water as non-redox agent◆
ΔrG 644.3 kJ/mol K 0.13 × 10−112 pK 112.88
| 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 | 718.6 | 644.3 | 247.7 | – |
per 1 mol of | 359.3 | 322.1 | 123.8 | – |
per 1 mol of | 119.8 | 107.4 | 41.28 | – |
per 1 mol of | 359.3 | 322.1 | 123.8 | – |
per 1 mol of | 718.6 | 644.3 | 247.7 | – |
| 179.7 | 161.1 | 61.92 | – |
Changes in aqueous solution (6)
- Electrolysis of aqueous ammonium cyanide with water as non-redox agent◆
ΔrG 714.7 kJ/mol K 0.62 × 10−125 pK 125.21
| 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 | 701.8 | 714.7 | 2033 | – |
per 1 mol of | 350.9 | 357.4 | 1017 | – |
per 1 mol of | 117.0 | 119.1 | 338.8 | – |
per 1 mol of | 350.9 | 357.4 | 1017 | – |
per 1 mol of | 701.8 | 714.7 | 2033 | – |
| 175.4 | 178.7 | 508.3 | – |
Changes in aqueous solution (7)
- Electrolysis of aqueous ammonium cyanide with water as non-redox agent
| 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 | 690.2 | – | – | – |
per 1 mol of | 345.1 | – | – | – |
per 1 mol of | 115.0 | – | – | – |
per 1 mol of | 345.1 | – | – | – |
per 1 mol of | 690.2 | – | – | – |
| 172.6 | – | – | – |
Changes in aqueous solution (8)
- Electrolysis of aqueous ammonium cyanide with water as non-redox agent
| 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 | 673.4 | – | – | – |
per 1 mol of | 336.7 | – | – | – |
per 1 mol of | 112.2 | – | – | – |
per 1 mol of | 336.7 | – | – | – |
per 1 mol of | 673.4 | – | – | – |
| 168.3 | – | – | – |
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 |
|---|---|---|---|---|
| NH4CN (cr) | 0.42[1] | – | – | 134[1] |
| NH4CN (ai) | 18.0[1] | 93.0[1] | 207.5[1] | – |
| NH4CN (aq) | 32.2[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] |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (aq):Aqueous solution, (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 |
|---|---|---|---|---|
| NH4NO2 (cr) | -256.5[1] | – | – | – |
| NH4NO2 (ai) | -237.2[1] | -111.6[1] | 236.4[1] | -17.6[1] |
| CH3COOH (l) | -484.5[1] | -389.9[1] | 159.8[1] | 124.3[1] |
| CH3COOH (g) | -432.25[1] | -374.0[1] | 282.5[1] | 66.5[1] |
| CH3COOH (ai) | -486.01[1] | -369.31[1] | 86.6[1] | -6.3[1] |
| CH3COOH (ao) | -485.76[1] | -396.46[1] | 178.7[1] | – |
| (g) | 0[1] | 0[1] | 130.684[1] | 28.824[1] |
| (ao) | -4.2[1] | 17.6[1] | 577[1] | – |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (l):Liquid, (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°, 0.42 kJ · mol−1
- ^ Cp°, 134. J · K−1 · mol−1
- ^ ΔfH°, 18.0 kJ · mol−1
- ^ ΔfG°, 93.0 kJ · mol−1
- ^ S°, 207.5 J · K−1 · mol−1
- ^ ΔfH°, 32.2 kJ · 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°, -256.5 kJ · mol−1
- ^ ΔfH°, -237.2 kJ · mol−1
- ^ ΔfG°, -111.6 kJ · mol−1
- ^ S°, 236.4 J · K−1 · mol−1
- ^ Cp°, -17.6 J · K−1 · mol−1
- ^ ΔfH°, -484.5 kJ · mol−1
- ^ ΔfG°, -389.9 kJ · mol−1
- ^ S°, 159.8 J · K−1 · mol−1
- ^ Cp°, 124.3 J · K−1 · mol−1
- ^ ΔfH°, -432.25 kJ · mol−1
- ^ ΔfG°, -374.0 kJ · mol−1
- ^ S°, 282.5 J · K−1 · mol−1
- ^ Cp°, 66.5 J · K−1 · mol−1
- ^ ΔfH°, -486.01 kJ · mol−1
- ^ ΔfG°, -369.31 kJ · mol−1
- ^ S°, 86.6 J · K−1 · mol−1
- ^ Cp°, -6.3 J · K−1 · mol−1
- ^ ΔfH°, -485.76 kJ · mol−1
- ^ ΔfG°, -396.46 kJ · mol−1
- ^ S°, 178.7 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 130.684 J · K−1 · mol−1
- ^ Cp°, 28.824 J · K−1 · mol−1
- ^ ΔfH°, -4.2 kJ · mol−1
- ^ ΔfG°, 17.6 kJ · mol−1
- ^ S°, 577 J · K−1 · mol−1