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NH4ClO3 🔥|️☀️→ NH2OH + HCl↑ + O2

Decomposition of ammonium chlorate
NH4ClO3Ammonium chlorate
🔥|️☀️
NH2OHHydroxylamine + HClHydrogen chloride + O2Oxygen

Decomposition of ammonium chlorate yields hydroxylamine, hydrogen chloride, and oxygen (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

Decomposition of ammonium chlorate
NH4ClO3Ammonium chlorate
🔥|️☀️
NH2OHHydroxylamine + HClHydrogen chloride + O2Oxygen

General equation

Thermal decomposition with redox
Thermally decomposable substanceSelf redox agent
🔥
ProductOxidation product + ProductReduction product
Thermal decomposition of oxoacid salt with redox
Oxoacid saltSelf redox agent
🔥
ProductOxidation product + ProductReduction product
Photolytic decomposition with redox
Photolytically decomposable substanceSelf redox agent
️☀️
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Decomposition of ammonium chlorate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NH4ClO3Ammonium chlorate1
Self redox agent
Thermally decomposable
Oxoacid salt
Photolytically decomposable

Products

Chemical formulaNameCoefficientTypeType in general
equation
NH2OHHydroxylamine1
Oxidized
HClHydrogen chloride1
Reduced
O2Oxygen1
Oxidized

Thermodynamic changes

Changes in aqueous solution (1)

Decomposition of ammonium chlorate
NH4ClO3Ionized aqueous solution
🔥|️☀️
NH2OHAqueous solution + HClGas + O2Gas
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
45.9
per 1 mol of
45.9
per 1 mol of
Hydroxylamine
45.9
per 1 mol of
45.9
per 1 mol of
45.9

Changes in aqueous solution (2)

Decomposition of ammonium chlorate
NH4ClO3Ionized aqueous solution
🔥|️☀️
NH2OHAqueous solution + HClGas + O2Un-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
34.2
per 1 mol of
34.2
per 1 mol of
Hydroxylamine
34.2
per 1 mol of
34.2
per 1 mol of
34.2

Changes in aqueous solution (3)

Decomposition of ammonium chlorate
NH4ClO3Ionized aqueous solution
🔥|️☀️
NH2OHAqueous solution + HClIonized aqueous solution + O2Gas
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
−29.0
per 1 mol of
−29.0
per 1 mol of
Hydroxylamine
−29.0
per 1 mol of
−29.0
per 1 mol of
−29.0

Changes in aqueous solution (4)

Decomposition of ammonium chlorate
NH4ClO3Ionized aqueous solution
🔥|️☀️
NH2OHAqueous solution + HClIonized aqueous solution + O2Un-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
−40.7
per 1 mol of
−40.7
per 1 mol of
Hydroxylamine
−40.7
per 1 mol of
−40.7
per 1 mol of
−40.7

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
NH4ClO3 (ai)-236.48[1]-87.26[1]275.7[1]
* (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
NH2OH (cr)-114.2[1]
NH2OH (aq)-98.3[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]
O2 (g)0[1]0[1]205.138[1]29.355[1]
O2 (ao)-11.7[1]16.4[1]110.9[1]
* (cr):Crystalline solid, (aq):Aqueous solution, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution

References

List of references

  1. 1