Sn2+ + 2Cl− → SnCl2
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- Reaction of tin(II) ion and chloride ion
The reaction of tin(II) ion and chloride ion yields tin(II) chloride (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 tin(II) ion and chloride ion
General equation
- Reaction of cation and anion
- CationLewis acid + AnionLewis base ⟶ ProductLewis conjugate + (H2O)
Oxidation state of each atom
- Reaction of tin(II) ion and chloride ion
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Sn2+ | Tin(II) ion | 1 | Lewis acid | Cation |
| Cl− | Chloride ion | 2 | Lewis base | Anion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| SnCl2 | Tin(II) chloride | 1 | Lewis conjugate | – |
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 |
|---|---|---|---|---|
| Sn2+ (g) | 2434.80[1] | – | – | – |
| Cl− (g) | -233.13[1] | – | – | – |
| Cl− (ao) | -167.159[1] | -131.228[1] | 56.5[1] | -136.4[1] |
* (g):Gas, (ao):Un-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 |
|---|---|---|---|---|
| SnCl2 (cr) | -325.1[1] | – | – | – |
| SnCl2 (cr) 2 hydrate | -921.3[1] | – | – | – |
* (cr):Crystalline solid
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)