CuI2 + 2AgOH → 2AgI + Cu(OH)2
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- Reaction of copper(II) iodide and silver(I) hydroxide
The reaction of copper(II) iodide and silver(I) hydroxide yields silver(I) iodide and copper(II) hydroxide. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of copper(II) iodide and silver(I) hydroxide
General equation
- Reaction of salt of weak base and strong base
- Salt of weak baseBrønsted acid + Strong baseBrønsted base ⟶ Salt of strong baseConjugate acid + Weak baseConjugate base + (H2O)
Oxidation state of each atom
- Reaction of copper(II) iodide and silver(I) hydroxide
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
CuI2 | Copper(II) iodide | 1 | Brønsted acid | Salt of weak base |
AgOH | Silver(I) hydroxide | 2 | Brønsted base | Strong base |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
AgI | Silver(I) iodide | 2 | Conjugate acid | Salt of strong base |
Cu(OH)2 | Copper(II) hydroxide | 1 | Conjugate base | Weak base |
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 |
---|---|---|---|---|
CuI2 | – | – | – | – |
AgOH (ai) | -124.415[1] | -80.137[1] | 61.92[1] | -126.8[1] |
AgOH (ao) | – | -92.0[1] | – | – |
* (ai):Ionized aqueous solution, (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 |
---|---|---|---|---|
AgI (cr) | -61.84[1] | -66.19[1] | 115.5[1] | 56.82[1] |
AgI (ai) | 50.38[1] | 25.52[1] | 184.1[1] | -120.5[1] |
AgI (ao) | – | -12.1[1] | – | – |
Cu(OH)2 (cr) | -449.8[1] | – | – | – |
Cu(OH)2 (ai) | -395.22[1] | -249.01[1] | -120.9[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°, -124.415 kJ · mol−1
- ^ ΔfG°, -80.137 kJ · mol−1
- ^ S°, 61.92 J · K−1 · mol−1
- ^ Cp°, -126.8 J · K−1 · mol−1
- ^ ΔfG°, -92.0 kJ · mol−1
- ^ ΔfH°, -61.84 kJ · mol−1
- ^ ΔfG°, -66.19 kJ · mol−1
- ^ S°, 115.5 J · K−1 · mol−1
- ^ Cp°, 56.82 J · K−1 · mol−1
- ^ ΔfH°, 50.38 kJ · mol−1
- ^ ΔfG°, 25.52 kJ · mol−1
- ^ S°, 184.1 J · K−1 · mol−1
- ^ Cp°, -120.5 J · K−1 · mol−1
- ^ ΔfG°, -12.1 kJ · mol−1
- ^ ΔfH°, -449.8 kJ · mol−1
- ^ ΔfH°, -395.22 kJ · mol−1
- ^ ΔfG°, -249.01 kJ · mol−1
- ^ S°, -120.9 J · K−1 · mol−1