You-iggy
  1. Home
  2. Chemical reactions
  3. Na2[PtCl6] + 2H2O ๐Ÿ’งโšกโ†’ 2NaCl + Pt + O2โ†‘ + 4HClโ†‘

Na2[PtCl6] + 2H2O ๐Ÿ’งโšกโ†’ 2NaCl + Pt + O2โ†‘ + 4HClโ†‘

Last updated:
Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent
Na2[PtCl6]Sodium hexachloridoplatinate(IV) + 2H2OWater
๐Ÿ’งโšก
โŸถ
2NaClSodium chloride + PtPlatinum + O2โ†‘Oxygen + 4HClโ†‘Hydrogen chloride

Electrolysis of aqueous sodium hexachloridoplatinate(IV) yields sodium chloride, platinum, oxygen, and hydrogen chloride (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
Na2[PtCl6]Sodium hexachloridoplatinate(IV) + 2H2OWater
๐Ÿ’งโšก
โŸถ
2NaClSodium chloride + PtPlatinum + O2โ†‘Oxygen + 4HClโ†‘Hydrogen chloride

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)1
Oxidizing
Very soluble in water
H2OWater2
Reducing
Water

Products

Chemical formulaNameCoefficientTypeType in general
equation
NaClSodium chloride2
โ€“
โ€“
PtPlatinum1
Reduced
โ€“
O2Oxygen1
Oxidized
โ€“
HClHydrogen chloride4
โ€“
โ€“

Thermodynamic changes

Changes in standard condition

Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent
Na2[PtCl6]Crystalline solid + 2H2OLiquid
๐Ÿ’งโšก
โŸถ
2NaClCrystalline solid + PtCrystalline solid + O2โ†‘Gas + 4HClโ†‘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
496.0โ€“โ€“โ€“
496.0โ€“โ€“โ€“
per 1 mol of
248.0โ€“โ€“โ€“
per 1 mol of
248.0โ€“โ€“โ€“
per 1 mol of
496.0โ€“โ€“โ€“
per 1 mol of
496.0โ€“โ€“โ€“
per 1 mol of
124.0โ€“โ€“โ€“

Changes in aqueous solution (1)

Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent
Na2[PtCl6]Crystalline solid + 2H2OLiquid
๐Ÿ’งโšก
โŸถ
2NaClIonized aqueous solution + PtCrystalline solid + O2โ†‘Gas + 4HClโ†‘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
503.8โ€“โ€“โ€“
503.8โ€“โ€“โ€“
per 1 mol of
251.9โ€“โ€“โ€“
per 1 mol of
251.9โ€“โ€“โ€“
per 1 mol of
503.8โ€“โ€“โ€“
per 1 mol of
503.8โ€“โ€“โ€“
per 1 mol of
126.0โ€“โ€“โ€“

Changes in aqueous solution (2)

Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent
Na2[PtCl6]Crystalline solid + 2H2OLiquid
๐Ÿ’งโšก
โŸถ
2NaClIonized aqueous solution + PtCrystalline solid + O2โ†‘Gas + 4HClโ†‘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
204.4โ€“โ€“โ€“
204.4โ€“โ€“โ€“
per 1 mol of
102.2โ€“โ€“โ€“
per 1 mol of
102.2โ€“โ€“โ€“
per 1 mol of
204.4โ€“โ€“โ€“
per 1 mol of
204.4โ€“โ€“โ€“
per 1 mol of
51.10โ€“โ€“โ€“

Changes in aqueous solution (3)

Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent
Na2[PtCl6]Crystalline solid + 2H2OLiquid
๐Ÿ’งโšก
โŸถ
2NaClIonized aqueous solution + PtCrystalline solid + O2โ†‘Un-ionized aqueous solution + 4HClโ†‘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
492.1โ€“โ€“โ€“
492.1โ€“โ€“โ€“
per 1 mol of
246.1โ€“โ€“โ€“
per 1 mol of
246.1โ€“โ€“โ€“
per 1 mol of
492.1โ€“โ€“โ€“
per 1 mol of
492.1โ€“โ€“โ€“
per 1 mol of
123.0โ€“โ€“โ€“

Changes in aqueous solution (4)

Electrolysis of aqueous sodium hexachloridoplatinate(IV) with water as reducing agent
Na2[PtCl6]Crystalline solid + 2H2OLiquid
๐Ÿ’งโšก
โŸถ
2NaClIonized aqueous solution + PtCrystalline solid + O2โ†‘Un-ionized aqueous solution + 4HClโ†‘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
192.7โ€“โ€“โ€“
192.7โ€“โ€“โ€“
per 1 mol of
96.35โ€“โ€“โ€“
per 1 mol of
96.35โ€“โ€“โ€“
per 1 mol of
192.7โ€“โ€“โ€“
per 1 mol of
192.7โ€“โ€“โ€“
per 1 mol of
48.17โ€“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]
O2 (g)0[1]0[1]205.138[1]29.355[1]
O2 (ao)-11.7[1]16.4[1]110.9[1]โ€“
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]
* (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)