You-iggy

3PtCl4 + 16KMnO4 → 3PtO2 + 12KClO2 + 16MnO2 + 2K2O

The reaction of platinum(IV) chloride and potassium permanganate yields platinum(IV) oxide, potassium chlorite, manganese(IV) 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
PtCl4Platinum(IV) chloride3
Reducing
Hardly oxidizable
KMnO4Potassium permanganate16
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
PtO2Platinum(IV) oxide3
KClO2Potassium chlorite12
Oxidized
MnO2Manganese(IV) oxide16
Reduced
K2OPotassium oxide2

Thermodynamic changes

Changes in aqueous solution

Reaction of platinum(IV) chloride and potassium permanganate
3PtCl4Aqueous solution + 16KMnO4Ionized aqueous solution
3PtO2Gas + 12KClO2Ionized aqueous solution + 16MnO2Crystalline solid + 2K2OCrystalline solid
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
1288.8
429.60
80.550
per 1 mol of
429.60
per 1 mol of
107.40
80.550
per 1 mol of
644.40

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
PtCl4 (cr)-231.8[1]
PtCl4 (aq)-314.2[1]
PtCl4 (cr)
5 hydrate
-1752.7[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, (aq):Aqueous solution, (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
PtO2 (g)171.5[1]167.8[1]
KClO2 (ai)-318.8[1]-266.1[1]203.8[1]
MnO2 (cr)-520.03[1]-465.14[1]53.05[1]54.14[1]
MnO2 (am)
precipitated
-502.5[1]
K2O (cr)-361.5[1]-322.1[2]94.1[2]83.7[2]
K2O (g)-63[1]
* (g):Gas, (ai):Ionized aqueous solution, (cr):Crystalline solid, (am):Amorphous solid

References

List of references

  1. 1
  2. 2
    James G. Speight (2017)
    Lange's Handbook of Chemistry, 17th edition
    McGraw Hill Education