AlF2+ + F− → AlF2+
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- Reaction of aluminium fluoride ion and fluoride ion
- AlF2+Aluminium fluoride ion + F−Fluoride ionAlF2+Aluminium difluoride ion⟶
The reaction of aluminium fluoride ion and fluoride ion yields aluminium difluoride 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 fluoride ion and fluoride ion
- AlF2+Aluminium fluoride ion + F−Fluoride ionAlF2+Aluminium difluoride ion⟶
General equation
- Reaction of cation and anion
- CationLewis acid + AnionLewis base ⟶ ProductLewis conjugate + (H2O)
Oxidation state of each atom
- Reaction of aluminium fluoride ion and fluoride ion
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| AlF2+ | Aluminium fluoride ion | 1 | Lewis acid | Cation |
| F− | Fluoride ion | 1 | Lewis base | Anion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| AlF2+ | Aluminium difluoride ion | 1 | Lewis conjugate | – |
Thermodynamic changes
Changes in standard condition
- Reaction of aluminium fluoride ion and fluoride ion◆
ΔrG −31 kJ/mol K 2.70 × 105 pK −5.43 - AlF2+Un-ionized aqueous solution + F−Un-ionized aqueous solutionAlF2+Un-ionized aqueous solution⟶
| 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 | – | −31 | – | – |
per 1 mol of Aluminium fluoride ion | – | −31 | – | – |
per 1 mol of Fluoride ion | – | −31 | – | – |
per 1 mol of Aluminium difluoride ion | – | −31 | – | – |
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 |
|---|---|---|---|---|
| AlF2+ (ao) | – | -803[1] | – | – |
| F− (g) | -255.39[1] | – | – | – |
| F− (ao) | -332.63[1] | -278.79[1] | -13.8[1] | -106.7[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+ (ao) | – | -1113[1] | – | – |
* (ao):Un-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)