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H2[PtCl6] + Pb(OH)2 → PtCl4 + PbCl2 + 2H2O

The reaction of hexachloridoplatinic(IV) acid and lead(II) hydroxide yields platinum(IV) chloride, lead(II) chloride, and water. This reaction is an acid-base reaction and is classified as follows:

Table of contents
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related categories

Reaction data

Chemical equation

General equation

Reaction of acid and base
AcidBrønsted acid + BaseBrønsted base
SaltConjugate base + (H2O)(Conjugate acid)
Reaction of acid and hydroxide base
AcidBrønsted acid + Hydroxide baseBrønsted base
SaltConjugate base + H2OConjugate acid
Reaction of strong acid and weak base
Strong acidBrønsted acid + Weak baseBrønsted base
Salt of strong acid and weak baseConjugate base + (H2O)(Conjugate acid)
Reaction of acid and amphoteric hydroxide
AcidBrønsted acid + Amphoteric hydroxideBrønsted base
Salt of weak baseConjugate base + H2OConjugate acid

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
H2[PtCl6]Hexachloridoplatinic(IV) acid1
Brønsted acid
Acid
Strong acid
Pb(OH)2Lead(II) hydroxide1
Brønsted base
Base
Hydroxide base
Weak base
Amphoteric hydroxide

Products

Chemical formulaNameCoefficientTypeType in general
equation
PtCl4Platinum(IV) chloride1
Conjugate base
Salt
Salt of strong acid and weak base
Salt of weak base
PbCl2Lead(II) chloride1
Conjugate base
Salt
Salt of strong acid and weak base
Salt of weak base
H2OWater2
Conjugate acid
Water

Thermodynamic changes

Changes in aqueous solution (1)

Reaction of hexachloridoplatinic(IV) acid and lead(II) hydroxide
H2[PtCl6]Ionized aqueous solution + Pb(OH)2Crystalline solid
PtCl4Aqueous solution + PbCl2Ionized aqueous solution + 2H2OLiquid
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

Changes in aqueous solution (2)

Reaction of hexachloridoplatinic(IV) acid and lead(II) hydroxide
H2[PtCl6]Ionized aqueous solution + Pb(OH)2Crystalline solid
PtCl4Aqueous solution + PbCl2Un-ionized aqueous solution + 2H2OLiquid
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

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
H2[PtCl6] (ai)-668.2[1]-482.7[1]219.7[1]
H2[PtCl6] (cr)
6 hydrate
-2371.1[1]
Pb(OH)2 (cr)-452.2[1]
Pb(OH)2 (cr)
precipitated
-515.9[1]
* (ai):Ionized aqueous solution, (cr):Crystalline solid

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
PtCl4 (cr)-231.8[1]
PtCl4 (aq)-314.2[1]
PtCl4 (cr)
5 hydrate
-1752.7[1]
PbCl2 (cr)-359.41[1]-314.10[1]136.0[1]
PbCl2 (ai)-336.0[1]-286.86[1]123.4[1]
PbCl2 (ao)-297.16[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]
* (cr):Crystalline solid, (aq):Aqueous solution, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution, (l):Liquid, (g):Gas

References

List of references

  1. 1