9KI + CH3COOLi + 9H+ → 9K+ + 4I2 + 2H2O + LiI + 2CH4↑
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- Reaction of potassium iodide and lithium acetate under acidic condition
- 9KIPotassium iodide + CH3COOLiLithium acetate + 9H+Hydrogen ion9K+Potassium ion + 4 + 2H2OWater + LiILithium iodide + 2↑⟶
The reaction of potassium iodide, lithium acetate, and hydrogen ion yields potassium ion, , water, lithium iodide, and (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 potassium iodide and lithium acetate under acidic condition
- 9KIPotassium iodide + CH3COOLiLithium acetate + 9H+Hydrogen ion9K+Potassium ion + 4 + 2H2OWater + LiILithium iodide + 2↑⟶
General equation
- Reaction of oxidizable species and oxidizing species under acidic condition
- Oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent + H+Non-redox agent ⟶ ProductOxidation product + ProductReduction product + H2ONon-redox product
Oxidation state of each atom
- Reaction of potassium iodide and lithium acetate under acidic condition
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| KI | Potassium iodide | 9 | Reducing | Oxidizable |
| CH3COOLi | Lithium acetate | 1 | Oxidizing | Oxidizing under acidic condition |
| H+ | Hydrogen ion | 9 | – | Hydrogen ion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| K+ | Potassium ion | 9 | – | – |
| 4 | Oxidized | – | ||
| H2O | Water | 2 | – | Water |
| LiI | Lithium iodide | 1 | – | – |
| 2 | Reduced | – |
Thermodynamic changes
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 |
|---|---|---|---|---|
| KI (cr) | -327.900[1] | -324.892[1] | 106.32[1] | 52.93[1] |
| KI (g) | -125.5[1] | -166.1[1] | 258.3[1] | 37.11[1] |
| KI (ai) | -307.57[1] | -334.85[1] | 213.8[1] | -120.5[1] |
| CH3COOLi | – | – | – | – |
| 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 |
|---|---|---|---|---|
| K+ (g) | 514.26[1] | – | – | – |
| K+ (ao) | -252.38[1] | -283.27[1] | 102.5[1] | 21.8[1] |
| (cr) | 0[1] | 0[1] | 116.135[1] | 54.438[1] |
| (g) | 62.438[1] | 19.327[1] | 260.69[1] | 36.90[1] |
| (ao) | 22.6[1] | 16.40[1] | 137.2[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] |
| LiI (cr) | -270.41[1] | -270.29[1] | 86.78[1] | 51.04[1] |
| LiI (g) | -81.09[1] | -124.34[1] | 232.321[1] | 34.64[1] |
| LiI (ai) | -333.67[1] | -344.8[1] | 124.7[1] | -73.6[1] |
| LiI (cr) 1 hydrate | -590.32[1] | -531.3[1] | 123.0[1] | – |
| LiI (cr) 2 hydrate | -890.40[1] | -780.2[1] | 184[1] | – |
| LiI (cr) 3 hydrate | -1192.15[1] | -1032.13[1] | 250.2[1] | – |
| (g) | -74.81[1] | -50.72[1] | 186.264[1] | 35.309[1] |
| (ao) | -89.04[1] | -34.33[1] | 83.7[1] | – |
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (l):Liquid, (ai):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°, -327.900 kJ · mol−1
- ^ ΔfG°, -324.892 kJ · mol−1
- ^ S°, 106.32 J · K−1 · mol−1
- ^ Cp°, 52.93 J · K−1 · mol−1
- ^ ΔfH°, -125.5 kJ · mol−1
- ^ ΔfG°, -166.1 kJ · mol−1
- ^ S°, 258.3 J · K−1 · mol−1
- ^ Cp°, 37.11 J · K−1 · mol−1
- ^ ΔfH°, -307.57 kJ · mol−1
- ^ ΔfG°, -334.85 kJ · mol−1
- ^ S°, 213.8 J · K−1 · mol−1
- ^ Cp°, -120.5 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°, 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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 116.135 J · K−1 · mol−1
- ^ Cp°, 54.438 J · K−1 · mol−1
- ^ ΔfH°, 62.438 kJ · mol−1
- ^ ΔfG°, 19.327 kJ · mol−1
- ^ S°, 260.69 J · K−1 · mol−1
- ^ Cp°, 36.90 J · K−1 · mol−1
- ^ ΔfH°, 22.6 kJ · mol−1
- ^ ΔfG°, 16.40 kJ · mol−1
- ^ S°, 137.2 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°, -270.41 kJ · mol−1
- ^ ΔfG°, -270.29 kJ · mol−1
- ^ S°, 86.78 J · K−1 · mol−1
- ^ Cp°, 51.04 J · K−1 · mol−1
- ^ ΔfH°, -81.09 kJ · mol−1
- ^ ΔfG°, -124.34 kJ · mol−1
- ^ S°, 232.321 J · K−1 · mol−1
- ^ Cp°, 34.64 J · K−1 · mol−1
- ^ ΔfH°, -333.67 kJ · mol−1
- ^ ΔfG°, -344.8 kJ · mol−1
- ^ S°, 124.7 J · K−1 · mol−1
- ^ Cp°, -73.6 J · K−1 · mol−1
- ^ ΔfH°, -590.32 kJ · mol−1
- ^ ΔfG°, -531.3 kJ · mol−1
- ^ S°, 123.0 J · K−1 · mol−1
- ^ ΔfH°, -890.40 kJ · mol−1
- ^ ΔfG°, -780.2 kJ · mol−1
- ^ S°, 184. J · K−1 · mol−1
- ^ ΔfH°, -1192.15 kJ · mol−1
- ^ ΔfG°, -1032.13 kJ · mol−1
- ^ S°, 250.2 J · K−1 · mol−1
- ^ ΔfH°, -74.81 kJ · mol−1
- ^ ΔfG°, -50.72 kJ · mol−1
- ^ S°, 186.264 J · K−1 · mol−1
- ^ Cp°, 35.309 J · K−1 · mol−1
- ^ ΔfH°, -89.04 kJ · mol−1
- ^ ΔfG°, -34.33 kJ · mol−1
- ^ S°, 83.7 J · K−1 · mol−1