6Cl2 + H3BO3 🔥→ 3Cl2O + BCl3 + 3HCl
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- Reaction of and boric acid
The reaction of and boric acid yields dichlorine monoxide, , and hydrogen chloride (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of and boric acid
General equation
- Reaction of self redoxing species and acid
- Self-redoxing speciesSelf redox agent + AcidNon-redox agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of and boric acid
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| 6 | – | Self redoxing | ||
| H3BO3 | Boric acid | 1 | – | Acid |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Cl2O | Dichlorine monoxide | 3 | Oxidized | – |
| 1 | Reduced | – | ||
| HCl | Hydrogen chloride | 3 | Reduced | – |
Thermodynamic changes
Changes in aqueous solution (1)
- Reaction of and boric acid◆
ΔrG 546.2 kJ/mol K 0.20 × 10−95 pK 95.69
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | 772.9 | 546.2 | 761 | – |
| 128.8 | 91.03 | 127 | – | |
per 1 mol of | 772.9 | 546.2 | 761 | – |
per 1 mol of | 257.6 | 182.1 | 254 | – |
| 772.9 | 546.2 | 761 | – | |
per 1 mol of | 257.6 | 182.1 | 254 | – |
Changes in aqueous solution (2)
- Reaction of and boric acid◆
ΔrG 438.4 kJ/mol K 0.16 × 10−76 pK 76.80
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | 548.4 | 438.4 | 370 | – |
| 91.40 | 73.07 | 61.7 | – | |
per 1 mol of | 548.4 | 438.4 | 370 | – |
per 1 mol of | 182.8 | 146.1 | 123 | – |
| 548.4 | 438.4 | 370 | – | |
per 1 mol of | 182.8 | 146.1 | 123 | – |
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 |
|---|---|---|---|---|
| (g) | 0[1] | 0[1] | 223.066[1] | 33.907[1] |
| (ao) | -23.4[1] | 6.94[1] | 121[1] | – |
| H3BO3 (cr) | -1094.33[1] | -968.92[1] | 88.83[1] | 81.38[1] |
| H3BO3 (g) | -994.1[1] | – | – | – |
| H3BO3 (ao) | -1072.32[1] | -968.75[1] | 162.3[1] | – |
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid
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 |
|---|---|---|---|---|
| Cl2O (g) | 80.3[1] | 97.9[1] | 266.21[1] | 45.40[1] |
| (cr) | – | – | – | – |
| (l) | -427.2[1] | -387.4[1] | 206.3[1] | 106.7[1] |
| (g) | -403.76[1] | -388.72[1] | 290.10[1] | 62.72[1] |
| HCl (g) | -92.307[1] | -95.299[1] | 186.908[1] | 29.12[1] |
| HCl (ai) | -167.159[1] | -131.228[1] | 56.5[1] | -136.4[1] |
* (g):Gas, (cr):Crystalline solid, (l):Liquid, (ai):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°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 223.066 J · K−1 · mol−1
- ^ Cp°, 33.907 J · K−1 · mol−1
- ^ ΔfH°, -23.4 kJ · mol−1
- ^ ΔfG°, 6.94 kJ · mol−1
- ^ S°, 121. J · K−1 · mol−1
- ^ ΔfH°, -1094.33 kJ · mol−1
- ^ ΔfG°, -968.92 kJ · mol−1
- ^ S°, 88.83 J · K−1 · mol−1
- ^ Cp°, 81.38 J · K−1 · mol−1
- ^ ΔfH°, -994.1 kJ · mol−1
- ^ ΔfH°, -1072.32 kJ · mol−1
- ^ ΔfG°, -968.75 kJ · mol−1
- ^ S°, 162.3 J · K−1 · mol−1
- ^ ΔfH°, 80.3 kJ · mol−1
- ^ ΔfG°, 97.9 kJ · mol−1
- ^ S°, 266.21 J · K−1 · mol−1
- ^ Cp°, 45.40 J · K−1 · mol−1
- ^ ΔfH°, -427.2 kJ · mol−1
- ^ ΔfG°, -387.4 kJ · mol−1
- ^ S°, 206.3 J · K−1 · mol−1
- ^ Cp°, 106.7 J · K−1 · mol−1
- ^ ΔfH°, -403.76 kJ · mol−1
- ^ ΔfG°, -388.72 kJ · mol−1
- ^ S°, 290.10 J · K−1 · mol−1
- ^ Cp°, 62.72 J · K−1 · mol−1
- ^ ΔfH°, -92.307 kJ · mol−1
- ^ ΔfG°, -95.299 kJ · mol−1
- ^ S°, 186.908 J · K−1 · mol−1
- ^ Cp°, 29.12 J · K−1 · mol−1
- ^ ΔfH°, -167.159 kJ · mol−1
- ^ ΔfG°, -131.228 kJ · mol−1
- ^ S°, 56.5 J · K−1 · mol−1
- ^ Cp°, -136.4 J · K−1 · mol−1