MgBr2 + SnF2 💧→ MgF2↓ + SnBr2
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The reaction of magnesium bromide and tin(II) fluoride yields magnesium fluoride and tin(II) bromide. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of magnesium bromide and tin(II) fluoride
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 magnesium bromide and tin(II) fluoride
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| MgBr2 | Magnesium bromide | 1 | Lewis acid | Very soluble in water |
| SnF2 | Tin(II) fluoride | 1 | Lewis base | Very soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| MgF2 | Magnesium fluoride | 1 | Lewis conjugate | Insoluble in water |
| SnBr2 | Tin(II) bromide | 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 |
|---|---|---|---|---|
| MgBr2 (cr) | -524.3[1] | -503.8[1] | 117.2[1] | – |
| MgBr2 (g) | -309.6[1] | – | – | – |
| MgBr2 (ai) | -709.94[1] | -662.7[1] | 26.8[1] | – |
| MgBr2 (cr) 6 hydrate | -2410.0[1] | -2055.7[1] | 397[1] | – |
| SnF2 | – | – | – | – |
* (cr):Crystalline solid, (g):Gas, (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 |
|---|---|---|---|---|
| MgF2 (cr) | -1123.4[1] | -1070.2[1] | 57.24[1] | 61.59[1] |
| MgF2 (g) | -723.8[1] | -730.5[1] | 258.39[1] | 48.62[1] |
| SnBr2 (cr) | -243.5[1] | – | – | – |
* (cr):Crystalline solid, (g):Gas
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°, -524.3 kJ · mol−1
- ^ ΔfG°, -503.8 kJ · mol−1
- ^ S°, 117.2 J · K−1 · mol−1
- ^ ΔfH°, -309.6 kJ · mol−1
- ^ ΔfH°, -709.94 kJ · mol−1
- ^ ΔfG°, -662.7 kJ · mol−1
- ^ S°, 26.8 J · K−1 · mol−1
- ^ ΔfH°, -2410.0 kJ · mol−1
- ^ ΔfG°, -2055.7 kJ · mol−1
- ^ S°, 397. J · K−1 · mol−1
- ^ ΔfH°, -1123.4 kJ · mol−1
- ^ ΔfG°, -1070.2 kJ · mol−1
- ^ S°, 57.24 J · K−1 · mol−1
- ^ Cp°, 61.59 J · K−1 · mol−1
- ^ ΔfH°, -723.8 kJ · mol−1
- ^ ΔfG°, -730.5 kJ · mol−1
- ^ S°, 258.39 J · K−1 · mol−1
- ^ Cp°, 48.62 J · K−1 · mol−1
- ^ ΔfH°, -243.5 kJ · mol−1