[Zn(SCN)4]2− → ZnSCN+ + 3SCN−
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- Electrolytic dissociation of tetrakis(thiocyanato)zincate ion
- [Zn(SCN)4]2−Tetrakis(thiocyanato)zincate ionZnSCN+Zinc thiocyanate ion + 3SCN−Thiocyanate ion⟶
Electrolytic dissociation of tetrakis(thiocyanato)zincate ion yields zinc thiocyanate ion and thiocyanate 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 tetrakis(thiocyanato)zincate ion
- [Zn(SCN)4]2−Tetrakis(thiocyanato)zincate ionZnSCN+Zinc thiocyanate ion + 3SCN−Thiocyanate ion⟶
General equation
- Electrolytic dissociation of ion
- Polyatomic ion ⟶ Cation/Electrically neutral + Anion/Electrically neutral
Oxidation state of each atom
- Electrolytic dissociation of tetrakis(thiocyanato)zincate ion
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| [Zn(SCN)4]2− | Tetrakis(thiocyanato)zincate ion | 1 | – | Polyatomic ion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| ZnSCN+ | Zinc thiocyanate ion | 1 | – | Cation |
| SCN− | Thiocyanate ion | 3 | – | 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 |
|---|---|---|---|---|
| [Zn(SCN)4]2− | – | – | – | – |
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 |
|---|---|---|---|---|
| ZnSCN+ | – | – | – | – |
| SCN− (ao) | 76.44[1] | 92.71[1] | 144.3[1] | -40.2[1] |
* (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)