NO2− → NO2+ + 2e−
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- Oxidation of nitrite ion
- NO2−Nitrite ionNO2+Nitronium ion + 2e−Electron⟶
Oxidation of nitrite ion yields nitronium ion (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Oxidation of nitrite ion
- NO2−Nitrite ionNO2+Nitronium ion + 2e−Electron⟶
General equation
- Oxidation of oxidizable species
- ReactantReducing agent ⟶ ProductOxidation product + e−
Oxidation state of each atom
- Oxidation of nitrite ion
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
NO2− | Nitrite ion | 1 | Reducing | – |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
NO2+ | Nitronium ion | 1 | Oxidized | – |
e− | Electron | 2 | – | Electron |
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 |
---|---|---|---|---|
NO2− (ao) | -104.6[1] | -32.2[1] | 123.0[1] | -97.5[1] |
* (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 |
---|---|---|---|---|
NO2+ (g) | 967.8[1] | – | – | – |
e− | – | – | – | – |
* (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)