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4Fe3O4 + 14e → 9Fe2+ + 3Fe + 16O2−

Reduction of iron(II,III) oxide
4Fe3O4Iron(II,III) oxide + 14eElectron
9Fe2+Iron(II) ion + 3FeIron + 16O2−Oxide ion

Reduction of iron(II,III) oxide yields iron(II) ion, iron, and oxide ion (Other reactions are here). This reaction is an oxidation-reduction 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

Reduction of iron(II,III) oxide
4Fe3O4Iron(II,III) oxide + 14eElectron
9Fe2+Iron(II) ion + 3FeIron + 16O2−Oxide ion

General equation

Reduction of reducible species
ReactantOxidizing agent + e
ProductReduction product

Oxidation state of each atom

Reduction of iron(II,III) oxide

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Fe3O4Iron(II,III) oxide4
Oxidizing
eElectron14
Electron

Products

Chemical formulaNameCoefficientTypeType in general
equation
Fe2+Iron(II) ion9
Reduced
FeIron3
Reduced
O2−Oxide ion16

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
Fe3O4 (cr)-1118.4[1]-1015.4[1]146.4[1]143.43[1]
e
* (cr):Crystalline solid

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
Fe2+ (g)2749.93[1]
Fe2+ (ao)-89.1[1]-78.90[1]-137.7[1]
Fe (cr)0[1]0[1]27.28[1]25.10[1]
Fe (g)416.3[1]370.7[1]180.490[1]25.677[1]
O2−
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid

References

List of references

  1. 1