H2[PtCl6] → 2H+ + [PtCl6]2−
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- Electrolytic dissociation of hexachloridoplatinic(IV) acid
Electrolytic dissociation of hexachloridoplatinic(IV) acid yields hydrogen ion and hexachloridoplatinate(IV) ion. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Electrolytic dissociation of hexachloridoplatinic(IV) acid
General equation
- Electrolytic dissociation of acid
- AcidBrønsted acid ⟶ H+ + AnionConjugate base
Oxidation state of each atom
- Electrolytic dissociation of hexachloridoplatinic(IV) acid
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
H2[PtCl6] | Hexachloridoplatinic(IV) acid | 1 | Brønsted acid | Acid |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
H+ | Hydrogen ion | 2 | – | Hydrogen ion |
[PtCl6]2− | Hexachloridoplatinate(IV) ion | 1 | Conjugate base | Anion |
Thermodynamic changes
Thermodynamic data of reactants
Chemical formula | Standard 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] | – | – | – |
* (ai):Ionized aqueous solution, (cr):Crystalline solid
Thermodynamic data of products
Chemical formula | Standard 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 |
---|---|---|---|---|
H+ (g) | 1536.202[1] | – | – | – |
H+ (ao) | 0[1] | 0[1] | 0[1] | 0[1] |
[PtCl6]2− (ao) | -668.2[1] | -482.7[1] | 219.7[1] | – |
* (g):Gas, (ao):Un-ionized aqueous solution
References
List of references
- 1Janiel J. Reed (1989)The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI UnitsNational Institute of Standards and Technology (NIST)