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4NaClO + 4Al(OH)3 🔥→ NaClO4 + 3Na[Al(OH)4] + AlCl3

The reaction of sodium hypochlorite and aluminium hydroxide yields sodium perchlorate, sodium tetrahydroxydoaluminate, and aluminium chloride (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 self redoxing species and base
Self-redoxing speciesSelf redox agent + BaseNon-redox agent
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NaClOSodium hypochlorite4
Self redoxing
Al(OH)3Aluminium hydroxide4
Base

Products

Chemical formulaNameCoefficientTypeType in general
equation
NaClO4Sodium perchlorate1
Oxidized
Na[Al(OH)4]Sodium tetrahydroxydoaluminate3
AlCl3Aluminium chloride1
Reduced

Thermodynamic changes

Changes in standard condition

Reaction of sodium hypochlorite and aluminium hydroxide
ΔrG568 kJ/mol
K0.31 × 10−99
pK99.51
4NaClOIonized aqueous solution + 4Al(OH)3Crystalline solid
🔥
NaClO4Ionized aqueous solution + 3Na[Al(OH)4]Ionized aqueous solution + AlCl3Ionized 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
−105568−110
−26.3142−27.5
−26.3142−27.5
per 1 mol of
−105568−110
−35.0189−36.7
per 1 mol of
−105568−110

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
NaClO (ai)-347.3[1]-298.7[1]100[1]
Al(OH)3 (cr)-1284[2]-1306[2]71[2]93.1[2]
Al(OH)3 (am)-1276[1]
* (ai):Ionized aqueous solution, (cr):Crystalline solid, (am):Amorphous solid

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]
Na[Al(OH)4] (ai)-1742.6[1]-1567.2[1]161.9[1]
AlCl3 (cr)-704.2[1]-628.8[1]110.67[1]91.84[1]
AlCl3 (g)-583.2[1]
AlCl3 (ai)-1033[1]-879[1]-152.3[1]
AlCl3 (cr)
6 hydrate
-2691.6[1]-2261.1[1]318.0[1]296.2[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (g):Gas

References

List of references

  1. 1
  2. 2
    James G. Speight (2017)
    Lange's Handbook of Chemistry, 17th edition
    McGraw Hill Education