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4NH4Cl + 13O2 → 4NO + 4HClO4 + 6H2O

The reaction of ammonium chloride and oxygen yields nitrogen monoxide, perchloric acid, 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

General equation

Reaction of reducing species and oxidizing species
Reducing speciesReducing agent + Oxidizing speciesOxidizing agent
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of ammonium chloride and oxygen

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NH4ClAmmonium chloride4
Reducing
Reducing
O2Oxygen13
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
NONitrogen monoxide4
Redoxed product
HClO4Perchloric acid4
Redoxed product
H2OWater6
Reduced

Thermodynamic changes

Changes in standard condition

Reaction of ammonium chloride and oxygen
4NH4ClCrystalline solid + 13O2Gas
4NOGas + 4HClO4Liquid + 6H2OLiquid
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
−258.58
per 1 mol of
−64.645
per 1 mol of
−19.891
per 1 mol of
−64.645
per 1 mol of
−64.645
per 1 mol of
−43.097

Changes in aqueous solution

Reaction of ammonium chloride and oxygen
ΔrG−481.8 kJ/mol
K2.56 × 1084
pK−84.41
4NH4ClIonized aqueous solution + 13O2Un-ionized aqueous solution
4NOGas + 4HClO4Ionized aqueous solution + 6H2OLiquid
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
−520.6−481.8−130.8
per 1 mol of
−130.2−120.5−32.70
per 1 mol of
−40.05−37.06−10.06
per 1 mol of
−130.2−120.5−32.70
per 1 mol of
−130.2−120.5−32.70
per 1 mol of
−86.77−80.30−21.80

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
NH4Cl (cr)-314.43[1]-202.87[1]94.6[1]84.1[1]
NH4Cl (ai)-299.66[1]-210.52[1]169.9[1]-56.5[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, (ai):Ionized aqueous solution, (g):Gas, (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
NO (g)90.25[1]86.55[1]210.761[1]29.844[1]
HClO4 (l)-40.58[1]
HClO4 (ai)-129.33[1]-8.52[1]182.0[1]
HClO4 (cr)
1 hydrate
-382.21[1]
HClO4 (l)
2 hydrate
-677.98[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]
* (g):Gas, (l):Liquid, (ai):Ionized aqueous solution, (cr):Crystalline solid

References

List of references

  1. 1