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2Cl2O + 2e− → Cl2 + 2ClO−

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Reduction of dichlorine monoxide
2Cl2ODichlorine monoxide + 2e−Electron
⟶
Cl2Chlorine + 2ClO−Hypochlorite ion

Reduction of dichlorine monoxide yields chlorine and hypochlorite ion (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

Reduction of dichlorine monoxide
2Cl2ODichlorine monoxide + 2e−Electron
⟶
Cl2Chlorine + 2ClO−Hypochlorite ion

General equation

Reduction of reducible species
ReactantOxidizing agent + e−
⟶
ProductReduction product

Oxidation state of each atom

Reduction of dichlorine monoxide

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Cl2ODichlorine monoxide2
Oxidizing
–
e−Electron2
–
Electron

Products

Chemical formulaNameCoefficientTypeType in general
equation
Cl2Chlorine1
Reduced
–
ClO−Hypochlorite ion2
–
–

Thermodynamic changes

Changes in standard condition (1)

Reduction of dichlorine monoxide
◆
ΔrG−269.4 kJ/mol
K1.57 × 1047
pK−47.20
2Cl2OGas + 2e−
⟶
Cl2Gas + 2ClO−Un-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
−374.8−269.4−225–
−187.4−134.7−113–
per 1 mol of
Electron
−187.4−134.7−113–
per 1 mol of
−374.8−269.4−225–
per 1 mol of
Hypochlorite ion
−187.4−134.7−113–

Changes in standard condition (2)

Reduction of dichlorine monoxide
◆
ΔrG−262.5 kJ/mol
K9.73 × 1045
pK−45.99
2Cl2OGas + 2e−
⟶
Cl2Un-ionized aqueous solution + 2ClO−Un-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
−398.2−262.5−327–
−199.1−131.3−164–
per 1 mol of
Electron
−199.1−131.3−164–
per 1 mol of
−398.2−262.5−327–
per 1 mol of
Hypochlorite ion
−199.1−131.3−164–

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
Cl2O (g)80.3[1]97.9[1]266.21[1]45.40[1]
e−––––
* (g):Gas

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
Cl2 (g)0[1]0[1]223.066[1]33.907[1]
Cl2 (ao)-23.4[1]6.94[1]121[1]–
ClO− (ao)-107.1[1]-36.8[1]42[1]–
* (g):Gas, (ao):Un-ionized aqueous solution

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)