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Pt(OH)4 + 6e → Pt + 2OH + 2O2− + H2

Reduction of platinum(IV) hydroxide
Pt(OH)4Platinum(IV) hydroxide + 6eElectron
PtPlatinum + 2OHHydroxide ion + 2O2−Oxide ion + H2Hydrogen

Reduction of platinum(IV) hydroxide yields platinum, hydroxide ion, oxide ion, and hydrogen (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 platinum(IV) hydroxide
Pt(OH)4Platinum(IV) hydroxide + 6eElectron
PtPlatinum + 2OHHydroxide ion + 2O2−Oxide ion + H2Hydrogen

General equation

Reduction of reducible species
ReactantOxidizing agent + e
ProductReduction product

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Pt(OH)4Platinum(IV) hydroxide1
Oxidizing
eElectron6
Electron

Products

Chemical formulaNameCoefficientTypeType in general
equation
PtPlatinum1
Reduced
OHHydroxide ion2
O2−Oxide ion2
H2Hydrogen1
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
Pt(OH)4
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
Pt (cr)0[1]0[1]41.63[1]25.86[1]
Pt (g)565.3[1]520.5[1]192.406[1]25.531[1]
OH (g)-143.5[1]
OH (ao)-229.994[1]-157.244[1]-10.75[1]-148.5[1]
O2−
H2 (g)0[1]0[1]130.684[1]28.824[1]
H2 (ao)-4.2[1]17.6[1]577[1]
* (cr):Crystalline solid, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1