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2HCl + 2NaMnO4 + 6H+ → NaClO4 + 2Mn3+ + NaCl + 4H2O

Reaction of hydrogen chloride and sodium permanganate under acidic condition

The reaction of hydrogen chloride, sodium permanganate, and hydrogen ion yields sodium perchlorate, manganese(III) ion, sodium chloride, and water (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:

Table of contents
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related reactions
  5. 5Related categories

Reaction data

Chemical equation

Reaction of hydrogen chloride and sodium permanganate under acidic condition

General equation

Reaction of hardly oxidizable species and oxidizing species under acidic condition
Hardly oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent + H+Non-redox agent
ProductOxidation product + ProductReduction product + H2ONon-redox product

Oxidation state of each atom

Reaction of hydrogen chloride and sodium permanganate under acidic condition

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
HClHydrogen chloride2
Reducing
Hardly oxidizable
NaMnO4Sodium permanganate2
Oxidizing
Oxidizing under acidic condition
H+Hydrogen ion6
Hydrogen ion

Products

Chemical formulaNameCoefficientTypeType in general
equation
NaClO4Sodium perchlorate1
Oxidized
Mn3+Manganese(III) ion2
Reduced
NaClSodium chloride1
H2OWater4
Water

Thermodynamic changes

Thermodynamic data of reactants

Chemical formulaStandard 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
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]
NaMnO4 (ai)-781.6[1]-709.1[1]250.2[1]
NaMnO4 (cr)
1 hydrate
-1079.14[1]
NaMnO4 (cr)
3 hydrate
-1672.85[1]
H+ (g)1536.202[1]
H+ (ao)0[1]0[1]0[1]0[1]
* (g):Gas, (ai):Ionized aqueous solution, (cr):Crystalline solid, (ao):Un-ionized aqueous solution

Thermodynamic data of products

Chemical formulaStandard 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
NaClO4 (cr)-383.30[1]-254.85[1]142.3[1]
NaClO4 (ai)-369.45[1]-270.41[1]241.0[1]
NaClO4 (cr)
1 hydrate
-677.77[1]-494.29[1]190.8[1]
Mn3+ (g)5776.4[1]
NaCl (cr)-411.153[1]-384.138[1]72.13[1]50.50[1]
NaCl (g)-176.65[1]-196.66[1]229.81[1]35.77[1]
NaCl (ai)-407.27[1]-393.133[1]115.5[1]-90.0[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, (ai):Ionized aqueous solution, (g):Gas, (l):Liquid

References

List of references

  1. 1
    Janiel J. Reed (1989)
    The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI Units
    National Institute of Standards and Technology (NIST)