3RbCl + 8KMnO4 + 8H+ → 3Rb+ + 3KClO4 + 8MnO2 + 5K+ + 4H2O
Last updated:
- Reaction of rubidium chloride and potassium permanganate under acidic condition
- 3RbClRubidium chloride + 8KMnO4Potassium permanganate + 8H+Hydrogen ion3Rb+Rubidium ion + 3KClO4Potassium perchlorate + 8MnO2Manganese(IV) oxide + 5K+Potassium ion + 4H2OWater⟶
The reaction of rubidium chloride, potassium permanganate, and hydrogen ion yields rubidium ion, potassium perchlorate, manganese(IV) oxide, potassium ion, and water (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 rubidium chloride and potassium permanganate under acidic condition
- 3RbClRubidium chloride + 8KMnO4Potassium permanganate + 8H+Hydrogen ion3Rb+Rubidium ion + 3KClO4Potassium perchlorate + 8MnO2Manganese(IV) oxide + 5K+Potassium ion + 4H2OWater⟶
General equation
- Reaction of hardly oxidizable species and oxidizing species under acidic condition
- Hardly oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent + H+Non-redox agent ⟶ ProductOxidation product + ProductReduction product + H2ONon-redox product
Oxidation state of each atom
- Reaction of rubidium chloride and potassium permanganate under acidic condition
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| RbCl | Rubidium chloride | 3 | Reducing | Hardly oxidizable |
| KMnO4 | Potassium permanganate | 8 | Oxidizing | Oxidizing under acidic condition |
| H+ | Hydrogen ion | 8 | – | Hydrogen ion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Rb+ | Rubidium ion | 3 | – | – |
| KClO4 | Potassium perchlorate | 3 | Oxidized | – |
| MnO2 | Manganese(IV) oxide | 8 | Reduced | – |
| K+ | Potassium ion | 5 | – | – |
| H2O | Water | 4 | – | Water |
Thermodynamic changes
Changes in standard condition
- Reaction of rubidium chloride and potassium permanganate under acidic condition◆
ΔrG −723.7 kJ/mol K 6.12 × 10126 pK −126.79
| 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 | −858.7 | −723.7 | −449.0 | – |
per 1 mol of | −286.2 | −241.2 | −149.7 | – |
per 1 mol of | −107.3 | −90.46 | −56.13 | – |
per 1 mol of Hydrogen ion | −107.3 | −90.46 | −56.13 | – |
per 1 mol of Rubidium ion | −286.2 | −241.2 | −149.7 | – |
per 1 mol of | −286.2 | −241.2 | −149.7 | – |
per 1 mol of | −107.3 | −90.46 | −56.13 | – |
per 1 mol of Potassium ion | −171.7 | −144.7 | −89.80 | – |
per 1 mol of | −214.7 | −180.9 | −112.3 | – |
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 |
|---|---|---|---|---|
| RbCl (cr) | -435.35[1] | -407.80[1] | 95.90[1] | 52.38[1] |
| RbCl (g) | -228.9[1] | -247.3[1] | 249.56[1] | 36.82[1] |
| RbCl (ai) | -418.32[1] | -415.20[1] | 177.99[1] | – |
| KMnO4 (cr) | -837.2[1] | -737.6[1] | 171.71[1] | 117.57[1] |
| KMnO4 (ai) | -793.8[1] | -730.5[1] | 293.7[1] | -60.2[1] |
| H+ (g) | 1536.202[1] | – | – | – |
| H+ (ao) | 0[1] | 0[1] | 0[1] | 0[1] |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (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 |
|---|---|---|---|---|
| Rb+ (g) | 490.101[1] | – | – | – |
| Rb+ (ao) | -251.17[1] | -283.98[1] | 121.50[1] | – |
| KClO4 (cr) | -432.75[1] | -303.09[1] | 151.0[1] | 112.38[1] |
| KClO4 (ai) | -381.71[1] | -291.79[1] | 284.5[1] | – |
| MnO2 (cr) | -520.03[1] | -465.14[1] | 53.05[1] | 54.14[1] |
| MnO2 (am) precipitated | -502.5[1] | – | – | – |
| K+ (g) | 514.26[1] | – | – | – |
| K+ (ao) | -252.38[1] | -283.27[1] | 102.5[1] | 21.8[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] |
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (ai):Ionized aqueous solution, (am):Amorphous solid, (l):Liquid
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°, -435.35 kJ · mol−1
- ^ ΔfG°, -407.80 kJ · mol−1
- ^ S°, 95.90 J · K−1 · mol−1
- ^ Cp°, 52.38 J · K−1 · mol−1
- ^ ΔfH°, -228.9 kJ · mol−1
- ^ ΔfG°, -247.3 kJ · mol−1
- ^ S°, 249.56 J · K−1 · mol−1
- ^ Cp°, 36.82 J · K−1 · mol−1
- ^ ΔfH°, -418.32 kJ · mol−1
- ^ ΔfG°, -415.20 kJ · mol−1
- ^ S°, 177.99 J · K−1 · mol−1
- ^ ΔfH°, -837.2 kJ · mol−1
- ^ ΔfG°, -737.6 kJ · mol−1
- ^ S°, 171.71 J · K−1 · mol−1
- ^ Cp°, 117.57 J · K−1 · mol−1
- ^ ΔfH°, -793.8 kJ · mol−1
- ^ ΔfG°, -730.5 kJ · mol−1
- ^ S°, 293.7 J · K−1 · mol−1
- ^ Cp°, -60.2 J · K−1 · mol−1
- ^ ΔfH°, 1536.202 kJ · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 0 J · K−1 · mol−1
- ^ Cp°, 0 J · K−1 · mol−1
- ^ ΔfH°, 490.101 kJ · mol−1
- ^ ΔfH°, -251.17 kJ · mol−1
- ^ ΔfG°, -283.98 kJ · mol−1
- ^ S°, 121.50 J · K−1 · mol−1
- ^ ΔfH°, -432.75 kJ · mol−1
- ^ ΔfG°, -303.09 kJ · mol−1
- ^ S°, 151.0 J · K−1 · mol−1
- ^ Cp°, 112.38 J · K−1 · mol−1
- ^ ΔfH°, -381.71 kJ · mol−1
- ^ ΔfG°, -291.79 kJ · mol−1
- ^ S°, 284.5 J · K−1 · 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°, 514.26 kJ · mol−1
- ^ ΔfH°, -252.38 kJ · mol−1
- ^ ΔfG°, -283.27 kJ · mol−1
- ^ S°, 102.5 J · K−1 · mol−1
- ^ Cp°, 21.8 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