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4NaCl + KClO4 🔥→ 2Na2O + KClO2 + 2Cl2

The reaction of sodium chloride and potassium perchlorate yields sodium oxide, potassium chlorite, and chlorine (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

General equation

Reaction of hardly oxidizable species and oxidizing species
Hardly oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NaClSodium chloride4
Reducing
Hardly oxidizable
KClO4Potassium perchlorate1
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
Na2OSodium oxide2
KClO2Potassium chlorite1
Oxidized
Cl2Chlorine2
Redoxed product

Thermodynamic changes

Changes in aqueous solution (1)

Reaction of sodium chloride and potassium perchlorate
ΔrG847.3 kJ/mol
K0.36 × 10−148
pK148.44
4NaClIonized aqueous solution + KClO4Ionized aqueous solution
🔥
2Na2OCrystalline solid + KClO2Ionized aqueous solution + 2Cl2Gas
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
863.6847.353.6
per 1 mol of
215.9211.813.4
863.6847.353.6
per 1 mol of
431.8423.626.8
per 1 mol of
863.6847.353.6
per 1 mol of
431.8423.626.8

Changes in aqueous solution (2)

Reaction of sodium chloride and potassium perchlorate
ΔrG861.2 kJ/mol
K0.13 × 10−150
pK150.88
4NaClIonized aqueous solution + KClO4Ionized aqueous solution
🔥
2Na2OCrystalline solid + KClO2Ionized aqueous solution + 2Cl2Un-ionized aqueous solution
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
816.8861.2−151
per 1 mol of
204.2215.3−37.8
816.8861.2−151
per 1 mol of
408.4430.6−75.5
per 1 mol of
816.8861.2−151
per 1 mol of
408.4430.6−75.5

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
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]
KClO4 (cr)-432.75[1]-303.09[1]151.0[1]112.38[1]
KClO4 (ai)-381.71[1]-291.79[1]284.5[1]
* (cr):Crystalline solid, (g):Gas, (ai):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
Na2O (cr)-414.22[1]-375.46[1]75.06[1]69.12[1]
Na2O (g)-35.6[1]-52.3[1]261.2[1]55.2[1]
KClO2 (ai)-318.8[1]-266.1[1]203.8[1]
Cl2 (g)0[1]0[1]223.066[1]33.907[1]
Cl2 (ao)-23.4[1]6.94[1]121[1]
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution

References

List of references

  1. 1