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2Zn(MnO4)2 + 4H2O 💧⚡→ 2ZnO + 4Mn(OH)2 + 5O2

Electrolysis of aqueous zinc permanganate with water as non-redox agent

Electrolysis of aqueous zinc permanganate yields zinc oxide, manganese(II) hydroxide, and oxygen (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

Electrolysis of aqueous zinc permanganate with water as non-redox agent

General equation

Electrolysis of aqueous solution with water as non redox agent
Miscible with water/Very soluble in water/Soluble in waterSelf redox agent + H2ONon-redox agent
💧⚡
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Electrolysis of aqueous zinc permanganate with water as non-redox agent

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Zn(MnO4)2Zinc permanganate2
Self redox agent
Soluble in water
H2OWater4
Water

Products

Chemical formulaNameCoefficientTypeType in general
equation
ZnOZinc oxide2
Mn(OH)2Manganese(II) hydroxide4
Reduced
O2Oxygen5
Oxidized

Thermodynamic changes

Changes in aqueous solution (1)

Electrolysis of aqueous zinc permanganate with water as non-redox agent
2Zn(MnO4)2Ionized aqueous solution + 4H2OLiquid
💧⚡
2ZnOCrystalline solid + 4Mn(OH)2Amorphous solidprecipitated + 5O2Gas
Standard enthalpy
of reaction
ΔrH°
kJ · mol−1
Standard
Gibbs energy
of reaction
ΔrG°
kJ · mol−1
Standard entropy
of reaction
ΔrS°
J · K−1 · mol−1
Standard heat
capacity of reaction
at constant pressure
ΔrCp°
J · K−1 · mol−1
per 1 mol of
Equation
per 1 mol of
per 1 mol of
per 1 mol of
per 1 mol of

Changes in aqueous solution (2)

Electrolysis of aqueous zinc permanganate with water as non-redox agent
2Zn(MnO4)2Ionized aqueous solution + 4H2OLiquid
💧⚡
2ZnOCrystalline solid + 4Mn(OH)2Amorphous solidprecipitated + 5O2Un-ionized aqueous solution
Standard enthalpy
of reaction
ΔrH°
kJ · mol−1
Standard
Gibbs energy
of reaction
ΔrG°
kJ · mol−1
Standard entropy
of reaction
ΔrS°
J · K−1 · mol−1
Standard heat
capacity of reaction
at constant pressure
ΔrCp°
J · K−1 · mol−1
per 1 mol of
Equation
per 1 mol of
per 1 mol of
per 1 mol of
per 1 mol of

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
Zn(MnO4)2 (ai)-251[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]
* (ai):Ionized aqueous solution, (cr):Crystalline solid, (l):Liquid, (g):Gas

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
ZnO (cr)-348.28[1]-318.30[1]43.64[1]40.25[1]
Mn(OH)2 (am)
precipitated
-695.4[1]-615.0[1]99.2[1]
O2 (g)0[1]0[1]205.138[1]29.355[1]
O2 (ao)-11.7[1]16.4[1]110.9[1]
* (cr):Crystalline solid, (am):Amorphous solid, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1