Pb(NO3)2 + 3e− → PbO + NO↑ + NO3− + O2−
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- Reduction of lead(II) nitrate
- Pb(NO3)2Lead(II) nitrate + 3e−ElectronPbOLead(II) oxide + NO↑Nitrogen monoxide + NO3−Nitrate ion + O2−Oxide ion⟶
Reduction of lead(II) nitrate yields lead(II) oxide, nitrogen monoxide, nitrate 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 lead(II) nitrate
- Pb(NO3)2Lead(II) nitrate + 3e−ElectronPbOLead(II) oxide + NO↑Nitrogen monoxide + NO3−Nitrate ion + O2−Oxide ion⟶
General equation
- Reduction of reducible species
- ReactantOxidizing agent + e− ⟶ ProductReduction product
Oxidation state of each atom
- Reduction of lead(II) nitrate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Pb(NO3)2 | Lead(II) nitrate | 1 | Oxidizing | – |
| e− | Electron | 3 | – | Electron |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| PbO | Lead(II) oxide | 1 | – | – |
| NO | Nitrogen monoxide | 1 | Reduced | – |
| NO3− | Nitrate ion | 1 | – | – |
| O2− | Oxide ion | 1 | – | – |
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 |
|---|---|---|---|---|
| Pb(NO3)2 (cr) | -451.9[1] | – | – | – |
| Pb(NO3)2 (ai) | -416.3[1] | -246.93[1] | 303.3[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 |
|---|---|---|---|---|
| PbO (cr) massicot, yellow | -217.32[1] | -187.89[1] | 68.70[1] | 45.77[1] |
| PbO (cr) litharge, red | -218.99[1] | -188.93[1] | 66.5[1] | 45.81[1] |
| PbO (cr) 1/3 hydrate | – | -266.5[1] | – | – |
| NO (g) | 90.25[1] | 86.55[1] | 210.761[1] | 29.844[1] |
| NO3− (ao) | -207.36[1] | -111.25[1] | 146.4[1] | -86.6[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)
- ^ ΔfH°, -451.9 kJ · mol−1
- ^ ΔfH°, -416.3 kJ · mol−1
- ^ ΔfG°, -246.93 kJ · mol−1
- ^ S°, 303.3 J · K−1 · mol−1
- ^ ΔfH°, -217.32 kJ · mol−1
- ^ ΔfG°, -187.89 kJ · mol−1
- ^ S°, 68.70 J · K−1 · mol−1
- ^ Cp°, 45.77 J · K−1 · mol−1
- ^ ΔfH°, -218.99 kJ · mol−1
- ^ ΔfG°, -188.93 kJ · mol−1
- ^ S°, 66.5 J · K−1 · mol−1
- ^ Cp°, 45.81 J · K−1 · mol−1
- ^ ΔfG°, -266.5 kJ · mol−1
- ^ ΔfH°, 90.25 kJ · mol−1
- ^ ΔfG°, 86.55 kJ · mol−1
- ^ S°, 210.761 J · K−1 · mol−1
- ^ Cp°, 29.844 J · K−1 · mol−1
- ^ ΔfH°, -207.36 kJ · mol−1
- ^ ΔfG°, -111.25 kJ · mol−1
- ^ S°, 146.4 J · K−1 · mol−1
- ^ Cp°, -86.6 J · K−1 · mol−1