CsIO3 + 7e− → Cs + I− + 3O2−
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- Reduction of caesium iodate
Reduction of caesium iodate yields , iodide ion, and oxide ion (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reduction of caesium iodate
General equation
- Reduction of reducible species
- ReactantOxidizing agent + e− ⟶ ProductReduction product
Oxidation state of each atom
- Reduction of caesium iodate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| CsIO3 | Caesium iodate | 1 | Oxidizing | – |
| e− | Electron | 7 | – | Electron |
Products
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 |
|---|---|---|---|---|
| CsIO3 (cr) | – | -433.8[1] | – | – |
| CsIO3 (ai) | -479.5[1] | -420.0[1] | 251.5[1] | – |
| e− | – | – | – | – |
* (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 |
|---|---|---|---|---|
| (cr) | 0[1] | 0[1] | 85.23[1] | 32.17[1] |
| (g) | 76.065[1] | 49.121[1] | 175.595[1] | 20.786[1] |
| I− (g) | -194.6[1] | – | – | – |
| I− (ao) | -55.19[1] | -51.57[1] | 111.3[1] | -142.3[1] |
| O2− | – | – | – | – |
* (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)
- ^ ΔfG°, -433.8 kJ · mol−1
- ^ ΔfH°, -479.5 kJ · mol−1
- ^ ΔfG°, -420.0 kJ · mol−1
- ^ S°, 251.5 J · K−1 · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 85.23 J · K−1 · mol−1
- ^ Cp°, 32.17 J · K−1 · mol−1
- ^ ΔfH°, 76.065 kJ · mol−1
- ^ ΔfG°, 49.121 kJ · mol−1
- ^ S°, 175.595 J · K−1 · mol−1
- ^ Cp°, 20.786 J · K−1 · mol−1
- ^ ΔfH°, -194.6 kJ · mol−1
- ^ ΔfH°, -55.19 kJ · mol−1
- ^ ΔfG°, -51.57 kJ · mol−1
- ^ S°, 111.3 J · K−1 · mol−1
- ^ Cp°, -142.3 J · K−1 · mol−1