6Li[AlH4] + 16KMnO4 → 3Li2O + 16MnO2 + 6Al(OH)3 + 8K2O + 3H2O
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The reaction of lithium tetrahydridoaluminate and potassium permanganate yields lithium oxide, manganese(IV) oxide, aluminium hydroxide, potassium oxide, 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 lithium tetrahydridoaluminate and potassium permanganate
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 lithium tetrahydridoaluminate and potassium permanganate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Li[AlH4] | Lithium tetrahydridoaluminate | 6 | Reducing | Reducing |
| KMnO4 | Potassium permanganate | 16 | Oxidizing | Oxidizing |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Li2O | Lithium oxide | 3 | – | – |
| MnO2 | Manganese(IV) oxide | 16 | Reduced | – |
| Al(OH)3 | Aluminium hydroxide | 6 | Oxidized | – |
| K2O | Potassium oxide | 8 | – | – |
| H2O | Water | 3 | Oxidized | – |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of lithium tetrahydridoaluminate and potassium permanganate◆
ΔrG −8180 kJ/mol K 1.19 × 101433 pK −1433.07
| 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 | −7475 | −8180 | −870 | 102.4 |
per 1 mol of | −1246 | −1363 | −145 | 17.07 |
per 1 mol of | −467.2 | −511.3 | −54.4 | 6.400 |
per 1 mol of | −2492 | −2727 | −290 | 34.13 |
per 1 mol of | −467.2 | −511.3 | −54.4 | 6.400 |
per 1 mol of | −1246 | −1363 | −145 | 17.07 |
per 1 mol of | −934.4 | −1023 | −109 | 12.80 |
per 1 mol of | −2492 | −2727 | −290 | 34.13 |
Changes in standard condition (2)
- Reaction of lithium tetrahydridoaluminate and potassium permanganate
| 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 | −7427 | – | – | – |
per 1 mol of | −1238 | – | – | – |
per 1 mol of | −464.2 | – | – | – |
per 1 mol of | −2476 | – | – | – |
per 1 mol of | −464.2 | – | – | – |
per 1 mol of | −1238 | – | – | – |
per 1 mol of | −928.4 | – | – | – |
per 1 mol of | −2476 | – | – | – |
Changes in standard condition (3)
- Reaction of lithium tetrahydridoaluminate and potassium permanganate
| 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 | −7194 | – | – | – |
per 1 mol of | −1199 | – | – | – |
per 1 mol of | −449.6 | – | – | – |
per 1 mol of | −2398 | – | – | – |
per 1 mol of | −449.6 | – | – | – |
per 1 mol of | −1199 | – | – | – |
per 1 mol of | −899.3 | – | – | – |
per 1 mol of | −2398 | – | – | – |
Changes in standard condition (4)
- Reaction of lithium tetrahydridoaluminate and potassium permanganate
| 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 | −7146 | – | – | – |
per 1 mol of | −1191 | – | – | – |
per 1 mol of | −446.6 | – | – | – |
per 1 mol of | −2382 | – | – | – |
per 1 mol of | −446.6 | – | – | – |
per 1 mol of | −1191 | – | – | – |
per 1 mol of | −893.3 | – | – | – |
per 1 mol of | −2382 | – | – | – |
Changes in aqueous solution
- Reaction of lithium tetrahydridoaluminate and potassium permanganate◆
ΔrG −8294 kJ/mol K 1.11 × 101453 pK −1453.05
| 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 | −8169 | −8294 | −2822 | 2946.7 |
per 1 mol of | −1362 | −1382 | −470.3 | 491.12 |
per 1 mol of | −510.6 | −518.4 | −176.4 | 184.17 |
per 1 mol of | −2723 | −2765 | −940.7 | 982.23 |
per 1 mol of | −510.6 | −518.4 | −176.4 | 184.17 |
per 1 mol of | −1362 | −1382 | −470.3 | 491.12 |
per 1 mol of | −1021 | −1037 | −352.8 | 368.34 |
per 1 mol of | −2723 | −2765 | −940.7 | 982.23 |
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 |
|---|---|---|---|---|
| Li[AlH4] (cr) | -116.3[1] | -44.7[1] | 78.74[1] | 83.18[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] |
* (cr):Crystalline solid, (ai):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 |
|---|---|---|---|---|
| Li2O (cr) | -597.94[1] | -561.18[1] | 37.57[1] | 54.10[1] |
| Li2O (g) | -160.7[1] | -181.6[1] | 231.48[1] | 49.83[1] |
| MnO2 (cr) | -520.03[1] | -465.14[1] | 53.05[1] | 54.14[1] |
| MnO2 (am) precipitated | -502.5[1] | – | – | – |
| Al(OH)3 (cr) | -1284[2] | -1306[2] | 71[2] | 93.1[2] |
| Al(OH)3 (am) | -1276[1] | – | – | – |
| K2O (cr) | -361.5[1] | -322.1[2] | 94.1[2] | 83.7[2] |
| K2O (g) | -63[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, (g):Gas, (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°, -116.3 kJ · mol−1
- ^ ΔfG°, -44.7 kJ · mol−1
- ^ S°, 78.74 J · K−1 · mol−1
- ^ Cp°, 83.18 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°, -597.94 kJ · mol−1
- ^ ΔfG°, -561.18 kJ · mol−1
- ^ S°, 37.57 J · K−1 · mol−1
- ^ Cp°, 54.10 J · K−1 · mol−1
- ^ ΔfH°, -160.7 kJ · mol−1
- ^ ΔfG°, -181.6 kJ · mol−1
- ^ S°, 231.48 J · K−1 · mol−1
- ^ Cp°, 49.83 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°, -1276. kJ · mol−1
- ^ ΔfH°, -361.5 kJ · mol−1
- ^ ΔfH°, -63. 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
- 2James G. Speight (2017)Lange's Handbook of Chemistry, 17th editionMcGraw Hill Education
- ^ ΔfH°, -1284 kJ · mol−1 - p.254
- ^ ΔfG°, -1306 kJ · mol−1 - p.254
- ^ S°, 71 J · K−1 · mol−1 - p.254
- ^ Cp°, 93.1 J · K−1 · mol−1 - p.254
- ^ ΔfG°, -322.1 kJ · mol−1 - p.280
- ^ S°, 94.1 J · K−1 · mol−1 - p.280
- ^ Cp°, 83.7 J · K−1 · mol−1 - p.280