5SrCl2 + 4KMnO4 + 18H+ 🔥→ 5Sr2+ + 4KClO + 6HClO + 4Mn2+ + 6H2O
Last updated:
- Reaction of strontium chloride and potassium permanganate under acidic condition
- 5SrCl2Strontium chloride + 4KMnO4Potassium permanganate + 18H+Hydrogen ion5Sr2+Strontium ion + 4KClOPotassium hypochlorite + 6HClOHypochlorous acid + 4Mn2+Manganese(II) ion + 6H2OWater🔥⟶
The reaction of strontium chloride, potassium permanganate, and hydrogen ion yields strontium ion, potassium hypochlorite, hypochlorous acid, manganese(II) 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 strontium chloride and potassium permanganate under acidic condition
- 5SrCl2Strontium chloride + 4KMnO4Potassium permanganate + 18H+Hydrogen ion5Sr2+Strontium ion + 4KClOPotassium hypochlorite + 6HClOHypochlorous acid + 4Mn2+Manganese(II) ion + 6H2OWater🔥⟶
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 strontium chloride and potassium permanganate under acidic condition
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| SrCl2 | Strontium chloride | 5 | Reducing | Hardly oxidizable |
| KMnO4 | Potassium permanganate | 4 | Oxidizing | Oxidizing under acidic condition |
| H+ | Hydrogen ion | 18 | – | Hydrogen ion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Sr2+ | Strontium ion | 5 | – | – |
| KClO | Potassium hypochlorite | 4 | Oxidized | – |
| HClO | Hypochlorous acid | 6 | Oxidized | – |
| Mn2+ | Manganese(II) ion | 4 | Reduced | – |
| H2O | Water | 6 | – | Water |
Thermodynamic changes
Changes in aqueous solution
- Reaction of strontium chloride and potassium permanganate under acidic condition◆
ΔrG 139.6 kJ/mol K 0.35 × 10−24 pK 24.46
| 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 | 85.7 | 139.6 | −178 | – |
per 1 mol of | 17.1 | 27.92 | −35.6 | – |
per 1 mol of | 21.4 | 34.90 | −44.5 | – |
per 1 mol of Hydrogen ion | 4.76 | 7.756 | −9.89 | – |
per 1 mol of Strontium ion | 17.1 | 27.92 | −35.6 | – |
per 1 mol of | 21.4 | 34.90 | −44.5 | – |
per 1 mol of | 14.3 | 23.27 | −29.7 | – |
per 1 mol of Manganese(II) ion | 21.4 | 34.90 | −44.5 | – |
per 1 mol of | 14.3 | 23.27 | −29.7 | – |
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 |
|---|---|---|---|---|
| SrCl2 (cr) α | -828.9[1] | -781.1[1] | 114.85[1] | 75.60[1] |
| SrCl2 (g) | -485.8[1] | -496.2[1] | 310.81[1] | 55.77[1] |
| SrCl2 (ai) | -880.10[1] | -821.91[1] | 80.3[1] | – |
| SrCl2 (cr) 1 hydrate | -1136.8[1] | -1036.3[1] | 172[1] | 120.1[1] |
| SrCl2 (cr) 2 hydrate | -1438.0[1] | -1281.8[1] | 218[1] | 160.2[1] |
| SrCl2 (cr) 6 hydrate | -2623.8[1] | -2240.92[1] | 390.8[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 |
|---|---|---|---|---|
| Sr2+ (g) | 1790.54[1] | – | – | – |
| Sr2+ (ao) | -545.80[1] | -559.48[1] | -32.6[1] | – |
| KClO (ai) | -359.4[1] | -320.0[1] | 146[1] | – |
| HClO (g) | -78.7[1] | -66.1[1] | 236.67[1] | 37.15[1] |
| HClO (ao) | -120.9[1] | -79.9[1] | 142[1] | – |
| Mn2+ (g) | 2519.69[1] | – | – | – |
| Mn2+ (ao) | -220.75[1] | -228.1[1] | -73.6[1] | 50[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, (ai):Ionized aqueous solution, (cr):Crystalline 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°, -828.9 kJ · mol−1
- ^ ΔfG°, -781.1 kJ · mol−1
- ^ S°, 114.85 J · K−1 · mol−1
- ^ Cp°, 75.60 J · K−1 · mol−1
- ^ ΔfH°, -485.8 kJ · mol−1
- ^ ΔfG°, -496.2 kJ · mol−1
- ^ S°, 310.81 J · K−1 · mol−1
- ^ Cp°, 55.77 J · K−1 · mol−1
- ^ ΔfH°, -880.10 kJ · mol−1
- ^ ΔfG°, -821.91 kJ · mol−1
- ^ S°, 80.3 J · K−1 · mol−1
- ^ ΔfH°, -1136.8 kJ · mol−1
- ^ ΔfG°, -1036.3 kJ · mol−1
- ^ S°, 172. J · K−1 · mol−1
- ^ Cp°, 120.1 J · K−1 · mol−1
- ^ ΔfH°, -1438.0 kJ · mol−1
- ^ ΔfG°, -1281.8 kJ · mol−1
- ^ S°, 218. J · K−1 · mol−1
- ^ Cp°, 160.2 J · K−1 · mol−1
- ^ ΔfH°, -2623.8 kJ · mol−1
- ^ ΔfG°, -2240.92 kJ · mol−1
- ^ S°, 390.8 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°, 1790.54 kJ · mol−1
- ^ ΔfH°, -545.80 kJ · mol−1
- ^ ΔfG°, -559.48 kJ · mol−1
- ^ S°, -32.6 J · K−1 · mol−1
- ^ ΔfH°, -359.4 kJ · mol−1
- ^ ΔfG°, -320.0 kJ · mol−1
- ^ S°, 146. J · K−1 · mol−1
- ^ ΔfH°, -78.7 kJ · mol−1
- ^ ΔfG°, -66.1 kJ · mol−1
- ^ S°, 236.67 J · K−1 · mol−1
- ^ Cp°, 37.15 J · K−1 · mol−1
- ^ ΔfH°, -120.9 kJ · mol−1
- ^ ΔfG°, -79.9 kJ · mol−1
- ^ S°, 142. J · K−1 · mol−1
- ^ ΔfH°, 2519.69 kJ · mol−1
- ^ ΔfH°, -220.75 kJ · mol−1
- ^ ΔfG°, -228.1 kJ · mol−1
- ^ S°, -73.6 J · K−1 · mol−1
- ^ Cp°, 50. 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