6NaClO + 3H2MnO4 → 3Na2MnO4 + 2HClO3 + 4HCl↑
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- Reaction of sodium hypochlorite and manganic acid
- 6NaClOSodium hypochlorite + 3H2MnO4Manganic acid3Na2MnO4Sodium manganate + 2HClO3Chloric acid + 4HCl↑Hydrogen chloride⟶
The reaction of sodium hypochlorite and manganic acid yields sodium manganate, chloric acid, 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 sodium hypochlorite and manganic acid
- 6NaClOSodium hypochlorite + 3H2MnO4Manganic acid3Na2MnO4Sodium manganate + 2HClO3Chloric acid + 4HCl↑Hydrogen chloride⟶
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 sodium hypochlorite and manganic acid
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
NaClO | Sodium hypochlorite | 6 | – | Self redoxing |
H2MnO4 | Manganic acid | 3 | – | Acid |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
Na2MnO4 | Sodium manganate | 3 | – | – |
HClO3 | Chloric acid | 2 | Oxidized | – |
HCl | Hydrogen chloride | 4 | Reduced | – |
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 |
---|---|---|---|---|
NaClO (ai) | -347.3[1] | -298.7[1] | 100[1] | – |
H2MnO4 | – | – | – | – |
* (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 |
---|---|---|---|---|
Na2MnO4 (cr) | -1156.0[1] | – | – | – |
Na2MnO4 (ai) | -1134[1] | -1024.6[1] | 176[1] | – |
HClO3 (ai) | -103.97[1] | -7.95[1] | 162.3[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] |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (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°, -347.3 kJ · mol−1
- ^ ΔfG°, -298.7 kJ · mol−1
- ^ S°, 100. J · K−1 · mol−1
- ^ ΔfH°, -1156.0 kJ · mol−1
- ^ ΔfH°, -1134. kJ · mol−1
- ^ ΔfG°, -1024.6 kJ · mol−1
- ^ S°, 176. J · K−1 · mol−1
- ^ ΔfH°, -103.97 kJ · mol−1
- ^ ΔfG°, -7.95 kJ · mol−1
- ^ S°, 162.3 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