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5BaCl2 + 26KMnO4 → 5Ba(MnO4)2 + 10KClO4 + 16MnO + 8K2O

The reaction of barium chloride and potassium permanganate yields barium permanganate, potassium perchlorate, manganese(II) oxide, and potassium oxide (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

General equation

Reaction of hardly oxidizable species and oxidizing species
Hardly oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
BaCl2Barium chloride5
Reducing
Hardly oxidizable
KMnO4Potassium permanganate26
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
Ba(MnO4)2Barium permanganate5
KClO4Potassium perchlorate10
Oxidized
MnOManganese(II) oxide16
Reduced
K2OPotassium oxide8

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
BaCl2 (cr)-858.6[1]-810.4[1]123.68[1]75.14[1]
BaCl2 (g)-525.9[1]-537.6[1]325.29[1]56.19[1]
BaCl2 (ai)-871.95[1]-823.21[1]122.6[1]
BaCl2 (cr)
1 hydrate
-1160.6[1]-1055.63[1]166.9[1]
BaCl2 (cr)
2 hydrate
-1460.13[1]-1296.32[1]202.9[1]161.96[1]
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]
* (cr):Crystalline solid, (g):Gas, (ai):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
Ba(MnO4)2
KClO4 (cr)-432.75[1]-303.09[1]151.0[1]112.38[1]
KClO4 (ai)-381.71[1]-291.79[1]284.5[1]
MnO (cr)-385.22[1]-362.90[1]59.71[1]45.44[1]
MnO (g)124.22[1]
K2O (cr)-361.5[1]-322.1[2]94.1[2]83.7[2]
K2O (g)-63[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (g):Gas

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)

  2. 2
    James G. Speight (2017)
    Lange's Handbook of Chemistry, 17th edition
    McGraw Hill Education