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2Cu + 2NaMnO4 + 2H2O 🔥→ 2CuOH + Na2MnO4 + H2MnO4

Reaction of copper and sodium permanganate under neutral condition

The reaction of copper, sodium permanganate, and water yields copper(I) hydroxide, sodium manganate, and manganic acid (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 copper and sodium permanganate under neutral condition

General equation

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

Oxidation state of each atom

Reaction of copper and sodium permanganate under neutral condition

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CuCopper2
Reducing
Oxidizable
NaMnO4Sodium permanganate2
Oxidizing
Oxidizing
H2OWater2
Water

Products

Chemical formulaNameCoefficientTypeType in general
equation
CuOHCopper(I) hydroxide2
Oxidized
Na2MnO4Sodium manganate1
Reduced
H2MnO4Manganic acid1
Reduced

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
Cu (cr)0[1]0[1]33.150[1]24.435[1]
Cu (g)338.32[1]298.58[1]166.38[1]20.786[1]
NaMnO4 (ai)-781.6[1]-709.1[1]250.2[1]
NaMnO4 (cr)
1 hydrate
-1079.14[1]
NaMnO4 (cr)
3 hydrate
-1672.85[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]
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (l):Liquid

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
CuOH
Na2MnO4 (cr)-1156.0[1]
Na2MnO4 (ai)-1134[1]-1024.6[1]176[1]
H2MnO4
* (cr):Crystalline solid, (ai):Ionized aqueous solution

References

List of references

  1. 1