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2NH4MnO4 + 5e → 2NH3↑ + Mn(OH)2 + MnO4 + 2O2−

Reduction of ammonium permanganate
2NH4MnO4Ammonium permanganate + 5eElectron
2NH3Ammonia + Mn(OH)2Manganese(II) hydroxide + MnO4Permanganate ion + 2O2−Oxide ion

Reduction of ammonium permanganate yields ammonia, manganese(II) hydroxide, permanganate ion, 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 ammonium permanganate
2NH4MnO4Ammonium permanganate + 5eElectron
2NH3Ammonia + Mn(OH)2Manganese(II) hydroxide + MnO4Permanganate ion + 2O2−Oxide ion

General equation

Reduction of reducible species
ReactantOxidizing agent + e
ProductReduction product

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NH4MnO4Ammonium permanganate2
Oxidizing
eElectron5
Electron

Products

Chemical formulaNameCoefficientTypeType in general
equation
NH3Ammonia2
Mn(OH)2Manganese(II) hydroxide1
Reduced
MnO4Permanganate ion1
O2−Oxide ion2

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
NH4MnO4
e

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
NH3 (g)-46.11[1]-16.45[1]192.45[1]35.06[1]
NH3 (ao)-80.29[1]-26.50[1]111.3[1]
Mn(OH)2 (am)
precipitated
-695.4[1]-615.0[1]99.2[1]
MnO4 (ao)-541.4[1]-447.2[1]191.2[1]-82.0[1]
O2−
* (g):Gas, (ao):Un-ionized aqueous solution, (am):Amorphous solid

References

List of references

  1. 1