Cr4(OH)66+ → 3Cr(OH)2+ + Cr3+
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- Electrolytic dissociation of tetrachromium(III) hexahydroxide ion
- Cr4(OH)66+Tetrachromium(III) hexahydroxide ion3Cr(OH)2+Chromium(III) dihydroxide ion + Cr3+Chromium(III) ion⟶
Electrolytic dissociation of tetrachromium(III) hexahydroxide ion yields chromium(III) dihydroxide ion and chromium(III) ion (Other reactions are here). This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Electrolytic dissociation of tetrachromium(III) hexahydroxide ion
- Cr4(OH)66+Tetrachromium(III) hexahydroxide ion3Cr(OH)2+Chromium(III) dihydroxide ion + Cr3+Chromium(III) ion⟶
General equation
- Electrolytic dissociation of ion
- Polyatomic ion ⟶ Cation/Electrically neutral + Anion/Electrically neutral
Oxidation state of each atom
- Electrolytic dissociation of tetrachromium(III) hexahydroxide ion
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cr4(OH)66+ | Tetrachromium(III) hexahydroxide ion | 1 | – | Polyatomic ion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cr(OH)2+ | Chromium(III) dihydroxide ion | 3 | – | Cation |
| Cr3+ | Chromium(III) ion | 1 | – | Cation |
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 |
|---|---|---|---|---|
| Cr4(OH)66+ | – | – | – | – |
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 |
|---|---|---|---|---|
| Cr(OH)2+ | – | – | – | – |
| Cr3+ (g) | 5648.4[1] | – | – | – |
* (g):Gas
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)