HgO + H2[PtCl6] → HgCl2 + PtCl4 + H2O
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The reaction of mercury(II) oxide and hexachloridoplatinic(IV) acid yields mercury(II) chloride, platinum(IV) chloride, and water. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of mercury(II) oxide and hexachloridoplatinic(IV) acid
General equation
- Reaction of basic oxide and acid
- Basic oxideBrønsted base + AcidBrønsted acid ⟶ SaltConjugate base + H2OConjugate acid
- Reaction of weakly basic oxide and strong acid
- Weakly basic oxideBrønsted base + Strong acidBrønsted acid ⟶ Salt of strong acid and weak baseConjugate base + H2OConjugate acid
Oxidation state of each atom
- Reaction of mercury(II) oxide and hexachloridoplatinic(IV) acid
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| HgO | Mercury(II) oxide | 1 | Brønsted base | Basic oxide Weakly basic oxide |
| H2[PtCl6] | Hexachloridoplatinic(IV) acid | 1 | Brønsted acid | Acid Strong acid |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| HgCl2 | Mercury(II) chloride | 1 | Conjugate base | Salt Salt of strong acid and weak base |
| PtCl4 | Platinum(IV) chloride | 1 | Conjugate base | Salt Salt of strong acid and weak base |
| H2O | Water | 1 | Conjugate acid | Water |
Thermodynamic changes
Changes in aqueous solution
- Reaction of mercury(II) oxide and hexachloridoplatinic(IV) acid
| 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 | −57.3 | – | – | – |
per 1 mol of | −57.3 | – | – | – |
per 1 mol of | −57.3 | – | – | – |
per 1 mol of | −57.3 | – | – | – |
per 1 mol of | −57.3 | – | – | – |
per 1 mol of | −57.3 | – | – | – |
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 |
|---|---|---|---|---|
| HgO (cr) red, orthorhombic | -90.83[1] | -58.539[1] | 70.29[1] | 44.06[1] |
| HgO (cr) yellow | -90.46[1] | -58.409[1] | 71.1[1] | – |
| HgO (cr) hexagonal | -89.5[1] | -58.22[1] | 73.6[1] | – |
| HgO (g) | – | – | 241.9[1] | 34.10[1] |
| H2[PtCl6] (ai) | -668.2[1] | -482.7[1] | 219.7[1] | – |
| H2[PtCl6] (cr) 6 hydrate | -2371.1[1] | – | – | – |
* (cr):Crystalline solid, (g):Gas, (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 |
|---|---|---|---|---|
| HgCl2 (cr) | -224.3[1] | -178.6[1] | 146.0[1] | – |
| HgCl2 (ao) | -216.3[1] | -173.2[1] | 155[1] | – |
| PtCl4 (cr) | -231.8[1] | – | – | – |
| PtCl4 (aq) | -314.2[1] | – | – | – |
| PtCl4 (cr) 5 hydrate | -1752.7[1] | – | – | – |
| H2O (cr) | – | – | – | – |
| H2O (l) | -285.830[1] | -237.129[1] | 69.91[1] | 75.291[1] |
| H2O (g) | -241.818[1] | -228.572[1] | 188.825[1] | 33.577[1] |
* (cr):Crystalline solid, (ao):Un-ionized aqueous solution, (aq):Aqueous solution, (l):Liquid, (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)
- ^ ΔfH°, -90.83 kJ · mol−1
- ^ ΔfG°, -58.539 kJ · mol−1
- ^ S°, 70.29 J · K−1 · mol−1
- ^ Cp°, 44.06 J · K−1 · mol−1
- ^ ΔfH°, -90.46 kJ · mol−1
- ^ ΔfG°, -58.409 kJ · mol−1
- ^ S°, 71.1 J · K−1 · mol−1
- ^ ΔfH°, -89.5 kJ · mol−1
- ^ ΔfG°, -58.22 kJ · mol−1
- ^ S°, 73.6 J · K−1 · mol−1
- ^ S°, 241.9 J · K−1 · mol−1
- ^ Cp°, 34.10 J · K−1 · mol−1
- ^ ΔfH°, -668.2 kJ · mol−1
- ^ ΔfG°, -482.7 kJ · mol−1
- ^ S°, 219.7 J · K−1 · mol−1
- ^ ΔfH°, -2371.1 kJ · mol−1
- ^ ΔfH°, -224.3 kJ · mol−1
- ^ ΔfG°, -178.6 kJ · mol−1
- ^ S°, 146.0 J · K−1 · mol−1
- ^ ΔfH°, -216.3 kJ · mol−1
- ^ ΔfG°, -173.2 kJ · mol−1
- ^ S°, 155. J · K−1 · mol−1
- ^ ΔfH°, -231.8 kJ · mol−1
- ^ ΔfH°, -314.2 kJ · mol−1
- ^ ΔfH°, -1752.7 kJ · mol−1
- ^ ΔfH°, -285.830 kJ · mol−1
- ^ ΔfG°, -237.129 kJ · mol−1
- ^ S°, 69.91 J · K−1 · mol−1
- ^ Cp°, 75.291 J · K−1 · mol−1
- ^ ΔfH°, -241.818 kJ · mol−1
- ^ ΔfG°, -228.572 kJ · mol−1
- ^ S°, 188.825 J · K−1 · mol−1
- ^ Cp°, 33.577 J · K−1 · mol−1