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5HCl + Cd(NO3)2 🔥→ 3HClO + 2NO + CdCl2 + H2O

The reaction of hydrogen chloride and cadmium nitrate yields hypochlorous acid, nitrogen monoxide, cadmium chloride, 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 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
HClHydrogen chloride5
Reducing
Hardly oxidizable
Cd(NO3)2Cadmium nitrate1
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
HClOHypochlorous acid3
Oxidized
NONitrogen monoxide2
Reduced
CdCl2Cadmium chloride1
H2OWater1

Thermodynamic changes

Changes in standard condition (1)

Reaction of hydrogen chloride and cadmium nitrate
ΔrG312.5 kJ/mol
K0.18 × 10−54
pK54.75
5HClIonized aqueous solution + Cd(NO3)2Ionized aqueous solution
🔥
3HClOUn-ionized aqueous solution + 2NOGas + CdCl2Ionized aqueous solution + H2OLiquid
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
448.2312.5455
per 1 mol of
89.6462.5091.0
per 1 mol of
448.2312.5455
per 1 mol of
149.4104.2152
per 1 mol of
224.1156.3228
per 1 mol of
448.2312.5455
per 1 mol of
448.2312.5455

Changes in standard condition (2)

Reaction of hydrogen chloride and cadmium nitrate
ΔrG293.2 kJ/mol
K0.43 × 10−51
pK51.37
5HClIonized aqueous solution + Cd(NO3)2Ionized aqueous solution
🔥
3HClOUn-ionized aqueous solution + 2NOGas + CdCl2Un-ionized aqueous solution + H2OLiquid
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
453.4293.2537
per 1 mol of
90.6858.64107
per 1 mol of
453.4293.2537
per 1 mol of
151.197.73179
per 1 mol of
226.7146.6269
per 1 mol of
453.4293.2537
per 1 mol of
453.4293.2537

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
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]
Cd(NO3)2 (cr)-456.31[1]
Cd(NO3)2 (ai)-490.62[1]-300.11[1]219.7[1]
Cd(NO3)2 (cr)
2 hydrate
-1055.62[1]
Cd(NO3)2 (cr)
4 hydrate
-1648.96[1]
* (g):Gas, (ai):Ionized aqueous solution, (cr):Crystalline 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
HClO (g)-78.7[1]-66.1[1]236.67[1]37.15[1]
HClO (ao)-120.9[1]-79.9[1]142[1]
NO (g)90.25[1]86.55[1]210.761[1]29.844[1]
CdCl2 (cr)-391.50[1]-343.93[1]115.27[1]74.68[1]
CdCl2 (ai)-410.20[1]-340.068[1]39.7[1]
CdCl2 (ao)-405.0[1]-359.29[1]121.8[1]
CdCl2 (cr)
1 hydrate
-688.44[1]-586.975[1]167.8[1]
CdCl2 (cr)
2.5 hydrate
-1131.94[1]-943.939[1]227.2[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, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (ai):Ionized aqueous solution, (l):Liquid

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)