HgCl2 + CuI2 💧→ HgI2↓ + CuCl2
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The reaction of mercury(II) chloride and copper(II) iodide yields mercury(II) iodide and copper(II) chloride. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of mercury(II) chloride and copper(II) iodide
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 mercury(II) chloride and copper(II) iodide
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
HgCl2 | Mercury(II) chloride | 1 | Lewis acid | Soluble in water |
CuI2 | Copper(II) iodide | 1 | Lewis base | Soluble in water |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
HgI2 | Mercury(II) iodide | 1 | Lewis conjugate | Very slightly soluble in water |
CuCl2 | Copper(II) chloride | 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 |
---|---|---|---|---|
HgCl2 (cr) | -224.3[1] | -178.6[1] | 146.0[1] | – |
HgCl2 (ao) | -216.3[1] | -173.2[1] | 155[1] | – |
CuI2 | – | – | – | – |
* (cr):Crystalline solid, (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 |
---|---|---|---|---|
HgI2 (cr) red | -105.4[1] | -101.7[1] | 180[1] | – |
HgI2 (cr) yellow | -102.9[1] | – | – | – |
HgI2 (g) | -17.2[1] | -59.9[1] | 336.13[1] | 61.09[1] |
HgI2 (ao) | -79.5[1] | -75.3[1] | 176[1] | – |
CuCl2 (cr) | -220.1[1] | -175.7[1] | 108.07[1] | 71.88[1] |
CuCl2 (ao) | – | -197.9[1] | – | – |
CuCl2 (cr) 2 hydrate | -821.3[1] | -655.9[1] | 167[1] | – |
* (cr):Crystalline solid, (g):Gas, (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°, -224.3 kJ · mol−1
- ^ ΔfG°, -178.6 kJ · mol−1
- ^ S°, 146.0 J · K−1 · mol−1
- ^ ΔfH°, -216.3 kJ · mol−1
- ^ ΔfG°, -173.2 kJ · mol−1
- ^ S°, 155. J · K−1 · mol−1
- ^ ΔfH°, -105.4 kJ · mol−1
- ^ ΔfG°, -101.7 kJ · mol−1
- ^ S°, 180. J · K−1 · mol−1
- ^ ΔfH°, -102.9 kJ · mol−1
- ^ ΔfH°, -17.2 kJ · mol−1
- ^ ΔfG°, -59.9 kJ · mol−1
- ^ S°, 336.13 J · K−1 · mol−1
- ^ Cp°, 61.09 J · K−1 · mol−1
- ^ ΔfH°, -79.5 kJ · mol−1
- ^ ΔfG°, -75.3 kJ · mol−1
- ^ S°, 176. J · K−1 · mol−1
- ^ ΔfH°, -220.1 kJ · mol−1
- ^ ΔfG°, -175.7 kJ · mol−1
- ^ S°, 108.07 J · K−1 · mol−1
- ^ Cp°, 71.88 J · K−1 · mol−1
- ^ ΔfG°, -197.9 kJ · mol−1
- ^ ΔfH°, -821.3 kJ · mol−1
- ^ ΔfG°, -655.9 kJ · mol−1
- ^ S°, 167. J · K−1 · mol−1