2C6H5NH3Cl 🔥|️☀️→ C6H5NH2 + C6H5Cl + NH4Cl
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- Decomposition of aniline hydrochloride
Decomposition of aniline hydrochloride yields aniline, , and ammonium chloride (Other reactions are here). This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Decomposition of aniline hydrochloride
General equation
- Thermal decomposition without redox
- Thermally decomposable substanceLewis conjugate🔥⟶ ProductLewis acid + ProductLewis base
- Photolytic decomposition without redox
- Photolytically decomposable substanceLewis conjugate️☀️⟶ ProductLewis acid + ProductLewis base
Oxidation state of each atom
- Decomposition of aniline hydrochloride
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| C6H5NH3Cl | Aniline hydrochloride | 2 | Lewis conjugate | Thermally decomposable Photolytically decomposable |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| C6H5NH2 | Aniline | 1 | Lewis acid | – |
| 1 | Lewis acid | – | ||
| NH4Cl | Ammonium chloride | 1 | Lewis acid | – |
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 |
|---|---|---|---|---|
| C6H5NH3Cl | – | – | – | – |
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 |
|---|---|---|---|---|
| C6H5NH2 (l) | 31.3[1] | 149.2[1] | 191.4[1] | 191.9[1] |
| C6H5NH2 (g) | 87.5[1] | -7.0[1] | 317.9[1] | 107.9[1] |
| (l) | 11.0[1] | 89.2[1] | 209.2[1] | 150.2[1] |
| NH4Cl (cr) | -314.43[2] | -202.87[2] | 94.6[2] | 84.1[2] |
| NH4Cl (ai) | -299.66[2] | -210.52[2] | 169.9[2] | -56.5[2] |
* (l):Liquid, (g):Gas, (cr):Crystalline solid, (ai):Ionized aqueous solution
References
List of references
- 1James G. Speight (2017)Lange's Handbook of Chemistry, 17th editionMcGraw Hill Education
- ^ ΔfH°, 31.3 kJ · mol−1 - p.947
- ^ ΔfG°, 149.2 kJ · mol−1 - p.947
- ^ S°, 191.4 J · K−1 · mol−1 - p.947
- ^ Cp°, 191.9 J · K−1 · mol−1 - p.947
- ^ ΔfH°, 87.5 kJ · mol−1 - p.947
- ^ ΔfG°, -7.0 kJ · mol−1 - p.947
- ^ S°, 317.9 J · K−1 · mol−1 - p.947
- ^ Cp°, 107.9 J · K−1 · mol−1 - p.947
- ^ ΔfH°, 11.0 kJ · mol−1 - p.952
- ^ ΔfG°, 89.2 kJ · mol−1 - p.952
- ^ S°, 209.2 J · K−1 · mol−1 - p.952
- ^ Cp°, 150.2 J · K−1 · mol−1 - p.952
- 2Janiel 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)