Ni(OH)2 + [Ni(OH)4]2− → 2[Ni(OH)3]−
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- Reaction of nickel(II) hydroxide and tetrahydroxidonickelate(II) ion
- Ni(OH)2Nickel(II) hydroxide + [Ni(OH)4]2−Tetrahydroxidonickelate(II) ion2[Ni(OH)3]−Trihydroxidonickelate(II) ion⟶
The reaction of nickel(II) hydroxide and tetrahydroxidonickelate(II) ion yields trihydroxidonickelate(II) ion. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of nickel(II) hydroxide and tetrahydroxidonickelate(II) ion
- Ni(OH)2Nickel(II) hydroxide + [Ni(OH)4]2−Tetrahydroxidonickelate(II) ion2[Ni(OH)3]−Trihydroxidonickelate(II) ion⟶
General equation
- Reaction of neutral species and anion
- CompoundLewis acid + AnionLewis base ⟶ AnionLewis conjugate
Oxidation state of each atom
- Reaction of nickel(II) hydroxide and tetrahydroxidonickelate(II) ion
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Ni(OH)2 | Nickel(II) hydroxide | 1 | Lewis acid | Compound |
| [Ni(OH)4]2− | Tetrahydroxidonickelate(II) ion | 1 | Lewis base | Anion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| [Ni(OH)3]− | Trihydroxidonickelate(II) ion | 2 | Lewis conjugate | 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 |
|---|---|---|---|---|
| Ni(OH)2 (cr) | -529.7[1] | -447.2[1] | 88[1] | – |
| Ni(OH)2 (ai) | -513.8[1] | -360.2[1] | -150.2[1] | – |
| [Ni(OH)4]2− | – | – | – | – |
* (cr):Crystalline solid, (ai):Ionized aqueous solution
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 |
|---|---|---|---|---|
| [Ni(OH)3]− | – | – | – | – |
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)