AlOH2+ + [AlF4]− + 3OH− → 2[AlF2(OH)2]−
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- Reaction of aluminium hydroxide ion and tetrafluoridoaluminate ion under basic condition
- AlOH2+Aluminium hydroxide ion + [AlF4]−Tetrafluoridoaluminate ion + 3OH−Hydroxide ion2[AlF2(OH)2]−Difluoridodihydroxidoaluminate ion⟶
The reaction of aluminium hydroxide ion, tetrafluoridoaluminate ion, and hydroxide ion yields difluoridodihydroxidoaluminate ion (Other reactions are here). This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of aluminium hydroxide ion and tetrafluoridoaluminate ion under basic condition
- AlOH2+Aluminium hydroxide ion + [AlF4]−Tetrafluoridoaluminate ion + 3OH−Hydroxide ion2[AlF2(OH)2]−Difluoridodihydroxidoaluminate ion⟶
General equation
- Reaction of cation and anion under basic condition
- CationLewis acid + AnionLewis base + OH−Lewis base ⟶ ProductLewis conjugate
Oxidation state of each atom
- Reaction of aluminium hydroxide ion and tetrafluoridoaluminate ion under basic condition
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| AlOH2+ | Aluminium hydroxide ion | 1 | Lewis acid | Cation |
| [AlF4]− | Tetrafluoridoaluminate ion | 1 | Lewis base | Anion |
| OH− | Hydroxide ion | 3 | Lewis base | Hydroxide ion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| [AlF2(OH)2]− | Difluoridodihydroxidoaluminate ion | 2 | Lewis conjugate | – |
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 |
|---|---|---|---|---|
| AlOH2+ (ao) | – | -694.1[1] | – | – |
| [AlF4]− | – | – | – | – |
| OH− (g) | -143.5[1] | – | – | – |
| OH− (ao) | -229.994[1] | -157.244[1] | -10.75[1] | -148.5[1] |
* (ao):Un-ionized aqueous solution, (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 |
|---|---|---|---|---|
| [AlF2(OH)2]− | – | – | – | – |
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)