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3Na2[PtCl6] + 6H2O ๐Ÿ’งโšกโ†’ 6NaCl + 3Pt + 12HClโ†‘ + 2O3โ†‘

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Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent
3Na2[PtCl6]Sodium hexachloridoplatinate(IV) + 6H2OWater
๐Ÿ’งโšก
โŸถ
6NaClSodium chloride + 3PtPlatinum + 12HClโ†‘Hydrogen chloride + 2O3โ†‘Ozone

Electrolysis of aqueous sodium hexachloridoplatinate(IV) yields sodium chloride, platinum, hydrogen chloride, and ozone (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 sodium hexachloridoplatinate(IV) with water as reducing agent
3Na2[PtCl6]Sodium hexachloridoplatinate(IV) + 6H2OWater
๐Ÿ’งโšก
โŸถ
6NaClSodium chloride + 3PtPlatinum + 12HClโ†‘Hydrogen chloride + 2O3โ†‘Ozone

General equation

Electrolysis of aqueous solution with water as reducing agent
Miscible with water/Very soluble in water/Soluble in waterOxidizing agent + H2OReducing agent
๐Ÿ’งโšก
โŸถ
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Na2[PtCl6]Sodium hexachloridoplatinate(IV)3
Oxidizing
Very soluble in water
H2OWater6
Reducing
Water

Products

Chemical formulaNameCoefficientTypeType in general
equation
NaClSodium chloride6
โ€“
โ€“
PtPlatinum3
Reduced
โ€“
HClHydrogen chloride12
โ€“
โ€“
O3Ozone2
Oxidized
โ€“

Thermodynamic changes

Changes in standard condition

Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent
3Na2[PtCl6]Crystalline solid + 6H2OLiquid
๐Ÿ’งโšก
โŸถ
6NaClCrystalline solid + 3PtCrystalline solid + 12HClโ†‘Gas + 2O3โ†‘Gas
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
1773.5โ€“โ€“โ€“
591.17โ€“โ€“โ€“
per 1 mol of
295.58โ€“โ€“โ€“
per 1 mol of
295.58โ€“โ€“โ€“
per 1 mol of
591.17โ€“โ€“โ€“
per 1 mol of
147.79โ€“โ€“โ€“
per 1 mol of
886.75โ€“โ€“โ€“

Changes in aqueous solution (1)

Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent
3Na2[PtCl6]Crystalline solid + 6H2OLiquid
๐Ÿ’งโšก
โŸถ
6NaClIonized aqueous solution + 3PtCrystalline solid + 12HClโ†‘Gas + 2O3โ†‘Gas
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
1796.8โ€“โ€“โ€“
598.93โ€“โ€“โ€“
per 1 mol of
299.47โ€“โ€“โ€“
per 1 mol of
299.47โ€“โ€“โ€“
per 1 mol of
598.93โ€“โ€“โ€“
per 1 mol of
149.73โ€“โ€“โ€“
per 1 mol of
898.40โ€“โ€“โ€“

Changes in aqueous solution (2)

Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent
3Na2[PtCl6]Crystalline solid + 6H2OLiquid
๐Ÿ’งโšก
โŸถ
6NaClIonized aqueous solution + 3PtCrystalline solid + 12HClโ†‘Gas + 2O3โ†‘Un-ionized aqueous solution
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
1763.2โ€“โ€“โ€“
587.73โ€“โ€“โ€“
per 1 mol of
293.87โ€“โ€“โ€“
per 1 mol of
293.87โ€“โ€“โ€“
per 1 mol of
587.73โ€“โ€“โ€“
per 1 mol of
146.93โ€“โ€“โ€“
per 1 mol of
881.60โ€“โ€“โ€“

Changes in aqueous solution (3)

Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent
3Na2[PtCl6]Crystalline solid + 6H2OLiquid
๐Ÿ’งโšก
โŸถ
6NaClIonized aqueous solution + 3PtCrystalline solid + 12HClโ†‘Ionized aqueous solution + 2O3โ†‘Gas
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
898.6โ€“โ€“โ€“
299.5โ€“โ€“โ€“
per 1 mol of
149.8โ€“โ€“โ€“
per 1 mol of
149.8โ€“โ€“โ€“
per 1 mol of
299.5โ€“โ€“โ€“
per 1 mol of
74.88โ€“โ€“โ€“
per 1 mol of
449.3โ€“โ€“โ€“

Changes in aqueous solution (4)

Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent
3Na2[PtCl6]Crystalline solid + 6H2OLiquid
๐Ÿ’งโšก
โŸถ
6NaClIonized aqueous solution + 3PtCrystalline solid + 12HClโ†‘Ionized aqueous solution + 2O3โ†‘Un-ionized aqueous solution
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
865.0โ€“โ€“โ€“
288.3โ€“โ€“โ€“
per 1 mol of
144.2โ€“โ€“โ€“
per 1 mol of
144.2โ€“โ€“โ€“
per 1 mol of
288.3โ€“โ€“โ€“
per 1 mol of
72.08โ€“โ€“โ€“
per 1 mol of
432.5โ€“โ€“โ€“

Thermodynamic data of reactants

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1		Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1		Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Na2[PtCl6] (cr)-1115.9[1]โ€“โ€“โ€“
Na2[PtCl6] (cr)
2 hydrate
-1723.8[1]โ€“โ€“โ€“
Na2[PtCl6] (cr)
6 hydrate
-2912.1[1]โ€“โ€“โ€“
H2O (cr)โ€“โ€“โ€“โ€“
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, (l):Liquid, (g):Gas

Thermodynamic data of products

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1		Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1		Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
NaCl (cr)-411.153[1]-384.138[1]72.13[1]50.50[1]
NaCl (g)-176.65[1]-196.66[1]229.81[1]35.77[1]
NaCl (ai)-407.27[1]-393.133[1]115.5[1]-90.0[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]
HCl (g)-92.307[1]-95.299[1]186.908[1]29.12[1]
HCl (ai)-167.159[1]-131.228[1]56.5[1]-136.4[1]
O3 (g)142.7[1]163.2[1]238.93[1]39.20[1]
O3 (ao)125.9[1]174.1[1]146[1]โ€“
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution

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)