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8Fe3(PO4)2 + 3KMnO4 + 24H+ → 15FePO4 + 3Mn2+ + K3PO4 + 12H2O + 9Fe2+

Reaction of iron(II) phosphate and potassium permanganate under acidic condition
8Fe3(PO4)2Iron(II) phosphate + 3KMnO4Potassium permanganate + 24H+Hydrogen ion
15FePO4Iron(III) phosphate + 3Mn2+Manganese(II) ion + K3PO4Potassium phosphate + 12H2OWater + 9Fe2+Iron(II) ion

The reaction of iron(II) phosphate, potassium permanganate, and hydrogen ion yields iron(III) phosphate, manganese(II) ion, potassium phosphate, water, and iron(II) 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

Reaction of iron(II) phosphate and potassium permanganate under acidic condition
8Fe3(PO4)2Iron(II) phosphate + 3KMnO4Potassium permanganate + 24H+Hydrogen ion
15FePO4Iron(III) phosphate + 3Mn2+Manganese(II) ion + K3PO4Potassium phosphate + 12H2OWater + 9Fe2+Iron(II) ion

General equation

Reaction of oxidizable species and oxidizing species under acidic condition
Oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent + H+Non-redox agent
ProductOxidation product + ProductReduction product + H2ONon-redox product

Oxidation state of each atom

Reaction of iron(II) phosphate and potassium permanganate under acidic condition

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Fe3(PO4)2Iron(II) phosphate8
Reducing
Oxidizable
KMnO4Potassium permanganate3
Oxidizing
Oxidizing under acidic condition
H+Hydrogen ion24
Hydrogen ion

Products

Chemical formulaNameCoefficientTypeType in general
equation
FePO4Iron(III) phosphate15
Oxidized
Mn2+Manganese(II) ion3
Reduced
K3PO4Potassium phosphate1
H2OWater12
Water
Fe2+Iron(II) ion9

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
Fe3(PO4)2
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]
H+ (g)1536.202[1]
H+ (ao)0[1]0[1]0[1]0[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (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
FePO4 (cr)-1297.5[1]
FePO4 (cr)
2 hydrate
strengite
-1888.2[1]-1657.5[1]171.25[1]180.54[1]
Mn2+ (g)2519.69[1]
Mn2+ (ao)-220.75[1]-228.1[1]-73.6[1]50[1]
K3PO4 (cr)-1950.2[1]
K3PO4 (ai)-2034.7[1]-1868.7[1]87.2[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]
Fe2+ (g)2749.93[1]
Fe2+ (ao)-89.1[1]-78.90[1]-137.7[1]
* (cr):Crystalline solid, (g):Gas, (ao):Un-ionized aqueous solution, (ai):Ionized aqueous solution, (l):Liquid

References

List of references

  1. 1