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2AlF(OH)+ + [AlF4] + 4OH → 3[AlF2(OH)2]

Reaction of aluminium fluoride hydroxide ion and tetrafluoridoaluminate ion under basic condition
2AlF(OH)+Aluminium fluoride hydroxide ion + [AlF4]Tetrafluoridoaluminate ion + 4OHHydroxide ion
3[AlF2(OH)2]Difluoridodihydroxidoaluminate ion

The reaction of aluminium fluoride 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
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related reactions
  5. 5Related categories

Reaction data

Chemical equation

Reaction of aluminium fluoride hydroxide ion and tetrafluoridoaluminate ion under basic condition
2AlF(OH)+Aluminium fluoride hydroxide ion + [AlF4]Tetrafluoridoaluminate ion + 4OHHydroxide ion
3[AlF2(OH)2]Difluoridodihydroxidoaluminate ion

General equation

Reaction of cation and anion under basic condition
CationLewis acid + AnionLewis base + OHLewis base
ProductLewis conjugate

Oxidation state of each atom

Reaction of aluminium fluoride hydroxide ion and tetrafluoridoaluminate ion under basic condition

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
AlF(OH)+Aluminium fluoride hydroxide ion2
Lewis acid
Cation
[AlF4]Tetrafluoridoaluminate ion1
Lewis base
Anion
OHHydroxide ion4
Lewis base
Hydroxide ion

Products

Chemical formulaNameCoefficientTypeType in general
equation
[AlF2(OH)2]Difluoridodihydroxidoaluminate ion3
Lewis conjugate

Thermodynamic changes

Thermodynamic data of reactants

Chemical formulaStandard 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
AlF(OH)+
[AlF4]
OH (g)-143.5[1]
OH (ao)-229.994[1]-157.244[1]-10.75[1]-148.5[1]
* (g):Gas, (ao):Un-ionized aqueous solution

Thermodynamic data of products

Chemical formulaStandard 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

  1. 1
    Janiel J. Reed (1989)
    The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI Units
    National Institute of Standards and Technology (NIST)