2Cd(NO3)2 + Na2[Zn(OH)4] 💧→ 2Cd(OH)2↓ + 2NaNO3 + Zn(NO3)2
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- Reaction of cadmium nitrate and sodium tetrahydroxidozincate
- 2Cd(NO3)2Cadmium nitrate + Na2[Zn(OH)4]Sodium tetrahydroxidozincate2Cd(OH)2↓Cadmium hydroxide + 2NaNO3Sodium nitrate + Zn(NO3)2Zinc nitrate💧⟶
The reaction of cadmium nitrate and sodium tetrahydroxidozincate yields cadmium hydroxide, sodium nitrate, and zinc nitrate (Other reactions are here). This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of cadmium nitrate and sodium tetrahydroxidozincate
- 2Cd(NO3)2Cadmium nitrate + Na2[Zn(OH)4]Sodium tetrahydroxidozincate2Cd(OH)2↓Cadmium hydroxide + 2NaNO3Sodium nitrate + Zn(NO3)2Zinc nitrate💧⟶
General equation
- Precipitation reaction
- Miscible with water/Very soluble in water/Soluble in waterLewis acid + Miscible with water/Very soluble in water/Soluble in waterLewis base💧⟶ Insoluble in water/Very slightly soluble in water/Slightly soluble in waterLewis conjugate + Product(Non-redox product)
Oxidation state of each atom
- Reaction of cadmium nitrate and sodium tetrahydroxidozincate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cd(NO3)2 | Cadmium nitrate | 2 | Lewis acid | Very soluble in water |
| Na2[Zn(OH)4] | Sodium tetrahydroxidozincate | 1 | Lewis base | Very soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cd(OH)2 | Cadmium hydroxide | 2 | Lewis conjugate | Insoluble in water |
| NaNO3 | Sodium nitrate | 2 | Non-redox product | – |
| Zn(NO3)2 | Zinc nitrate | 1 | Non-redox product | – |
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 |
|---|---|---|---|---|
| Cd(NO3)2 (cr) | -456.31[1] | – | – | – |
| Cd(NO3)2 (ai) | -490.62[1] | -300.11[1] | 219.7[1] | – |
| Cd(NO3)2 (cr) 2 hydrate | -1055.62[1] | – | – | – |
| Cd(NO3)2 (cr) 4 hydrate | -1648.96[1] | – | – | – |
| Na2[Zn(OH)4] | – | – | – | – |
* (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 |
|---|---|---|---|---|
| Cd(OH)2 (cr) precipitated | -560.7[1] | -473.6[1] | 96[1] | – |
| Cd(OH)2 (ai) | -535.89[1] | -392.10[1] | -94.6[1] | – |
| Cd(OH)2 (ao) | – | -442.6[1] | – | – |
| NaNO3 (cr) | -467.85[1] | -367.00[1] | 116.52[1] | 92.88[1] |
| NaNO3 (ai) | -447.48[1] | -373.15[1] | 205.4[1] | -40.2[1] |
| Zn(NO3)2 (cr) | -483.7[1] | – | – | – |
| Zn(NO3)2 (ai) | -568.61[1] | -369.57[1] | 180.7[1] | -126[1] |
| Zn(NO3)2 (cr) 1 hydrate | -805.0[1] | – | – | – |
| Zn(NO3)2 (cr) 2 hydrate | -1110.27[1] | – | – | – |
| Zn(NO3)2 (cr) 4 hydrate | -1699.12[1] | – | – | – |
| Zn(NO3)2 (cr) 6 hydrate | -2306.64[1] | -1772.71[1] | 456.9[1] | 323.0[1] |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (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)
- ^ ΔfH°, -456.31 kJ · mol−1
- ^ ΔfH°, -490.62 kJ · mol−1
- ^ ΔfG°, -300.11 kJ · mol−1
- ^ S°, 219.7 J · K−1 · mol−1
- ^ ΔfH°, -1055.62 kJ · mol−1
- ^ ΔfH°, -1648.96 kJ · mol−1
- ^ ΔfH°, -560.7 kJ · mol−1
- ^ ΔfG°, -473.6 kJ · mol−1
- ^ S°, 96. J · K−1 · mol−1
- ^ ΔfH°, -535.89 kJ · mol−1
- ^ ΔfG°, -392.10 kJ · mol−1
- ^ S°, -94.6 J · K−1 · mol−1
- ^ ΔfG°, -442.6 kJ · mol−1
- ^ ΔfH°, -467.85 kJ · mol−1
- ^ ΔfG°, -367.00 kJ · mol−1
- ^ S°, 116.52 J · K−1 · mol−1
- ^ Cp°, 92.88 J · K−1 · mol−1
- ^ ΔfH°, -447.48 kJ · mol−1
- ^ ΔfG°, -373.15 kJ · mol−1
- ^ S°, 205.4 J · K−1 · mol−1
- ^ Cp°, -40.2 J · K−1 · mol−1
- ^ ΔfH°, -483.7 kJ · mol−1
- ^ ΔfH°, -568.61 kJ · mol−1
- ^ ΔfG°, -369.57 kJ · mol−1
- ^ S°, 180.7 J · K−1 · mol−1
- ^ Cp°, -126. J · K−1 · mol−1
- ^ ΔfH°, -805.0 kJ · mol−1
- ^ ΔfH°, -1110.27 kJ · mol−1
- ^ ΔfH°, -1699.12 kJ · mol−1
- ^ ΔfH°, -2306.64 kJ · mol−1
- ^ ΔfG°, -1772.71 kJ · mol−1
- ^ S°, 456.9 J · K−1 · mol−1
- ^ Cp°, 323.0 J · K−1 · mol−1