K2SO3 + Na2[PtCl6] 💧→ K2[PtCl6]↓ + Na2SO3
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The reaction of potassium sulfite and sodium hexachloridoplatinate(IV) yields potassium hexachloridoplatinate(IV) and sodium sulfite. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of potassium sulfite and sodium hexachloridoplatinate(IV)
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 potassium sulfite and sodium hexachloridoplatinate(IV)
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| K2SO3 | Potassium sulfite | 1 | Lewis acid | Very soluble in water |
| Na2[PtCl6] | Sodium hexachloridoplatinate(IV) | 1 | Lewis base | Very soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| K2[PtCl6] | Potassium hexachloridoplatinate(IV) | 1 | Lewis conjugate | Slightly soluble in water |
| Na2SO3 | Sodium sulfite | 1 | Non-redox product | – |
Thermodynamic changes
Changes in standard condition
- Reaction of potassium sulfite and sodium hexachloridoplatinate(IV)
- K2SO3Crystalline solid + Na2[PtCl6]Crystalline solidK2[PtCl6]↓Crystalline solid + Na2SO3Crystalline solid💧⟶
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | −88.7 | – | – | – |
per 1 mol of | −88.7 | – | – | – |
per 1 mol of | −88.7 | – | – | – |
per 1 mol of | −88.7 | – | – | – |
per 1 mol of | −88.7 | – | – | – |
Changes in aqueous solution
- Reaction of potassium sulfite and sodium hexachloridoplatinate(IV)
- K2SO3Ionized aqueous solution + Na2[PtCl6]Crystalline solidK2[PtCl6]↓Ionized aqueous solution + Na2SO3Ionized aqueous solution💧⟶
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | −32.7 | – | – | – |
per 1 mol of | −32.7 | – | – | – |
per 1 mol of | −32.7 | – | – | – |
per 1 mol of | −32.7 | – | – | – |
per 1 mol of | −32.7 | – | – | – |
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 |
|---|---|---|---|---|
| K2SO3 (cr) | -1125.5[1] | – | – | – |
| K2SO3 (ai) | -1140.1[1] | -1053.1[1] | 176[1] | – |
| Na2[PtCl6] (cr) | -1115.9[1] | – | – | – |
| Na2[PtCl6] (cr) 2 hydrate | -1723.8[1] | – | – | – |
| Na2[PtCl6] (cr) 6 hydrate | -2912.1[1] | – | – | – |
* (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 |
|---|---|---|---|---|
| K2[PtCl6] (cr) | -1229.3[1] | -1078.5[1] | 333.9[1] | 205.60[1] |
| K2[PtCl6] (ai) | -1172.8[1] | -1049.2[1] | 424.7[1] | – |
| Na2SO3 (cr) | -1100.8[1] | -1012.5[1] | 145.94[1] | 120.25[1] |
| Na2SO3 (ai) | -1115.87[1] | -1010.39[1] | 87.9[1] | – |
| Na2SO3 (cr) 7 hydrate | -3162.3[1] | -2676.1[1] | 444[1] | – |
* (cr):Crystalline solid, (ai):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°, -1125.5 kJ · mol−1
- ^ ΔfH°, -1140.1 kJ · mol−1
- ^ ΔfG°, -1053.1 kJ · mol−1
- ^ S°, 176. J · K−1 · mol−1
- ^ ΔfH°, -1115.9 kJ · mol−1
- ^ ΔfH°, -1723.8 kJ · mol−1
- ^ ΔfH°, -2912.1 kJ · mol−1
- ^ ΔfH°, -1229.3 kJ · mol−1
- ^ ΔfG°, -1078.5 kJ · mol−1
- ^ S°, 333.9 J · K−1 · mol−1
- ^ Cp°, 205.60 J · K−1 · mol−1
- ^ ΔfH°, -1172.8 kJ · mol−1
- ^ ΔfG°, -1049.2 kJ · mol−1
- ^ S°, 424.7 J · K−1 · mol−1
- ^ ΔfH°, -1100.8 kJ · mol−1
- ^ ΔfG°, -1012.5 kJ · mol−1
- ^ S°, 145.94 J · K−1 · mol−1
- ^ Cp°, 120.25 J · K−1 · mol−1
- ^ ΔfH°, -1115.87 kJ · mol−1
- ^ ΔfG°, -1010.39 kJ · mol−1
- ^ S°, 87.9 J · K−1 · mol−1
- ^ ΔfH°, -3162.3 kJ · mol−1
- ^ ΔfG°, -2676.1 kJ · mol−1
- ^ S°, 444. J · K−1 · mol−1