CaS2O3 + 2HMnO4 → Ca(MnO4)2 + H2S2O3
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The reaction of calcium thiosulfate and permanganic acid yields calcium permanganate and thiosulfuric acid. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of calcium thiosulfate and permanganic acid
General equation
- Salt of weak acidBrønsted base + Strong acidBrønsted acid ⟶ Salt of strong acidConjugate base + Weak acidConjugate acid
Oxidation state of each atom
- Reaction of calcium thiosulfate and permanganic acid
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| CaS2O3 | Calcium thiosulfate | 1 | Brønsted base | Salt of weak acid |
| HMnO4 | Permanganic acid | 2 | Brønsted acid | Strong acid |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Ca(MnO4)2 | Calcium permanganate | 1 | Conjugate base | Salt of strong acid |
| H2S2O3 | Thiosulfuric acid | 1 | Conjugate acid | Weak 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 |
|---|---|---|---|---|
| CaS2O3 | – | – | – | – |
| HMnO4 | – | – | – | – |