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6NaCl + 5Cd(NO3)2 + 16H+ 🔥→ 6Na+ + 6ClO2↑ + 10NO↑ + 5Cd2+ + 8H2O

Reaction of sodium chloride and cadmium nitrate under acidic condition
6NaClSodium chloride + 5Cd(NO3)2Cadmium nitrate + 16H+Hydrogen ion
🔥
6Na+Sodium ion + 6ClO2Chlorine dioxide + 10NONitrogen monoxide + 5Cd2+Cadmium ion + 8H2OWater

The reaction of sodium chloride, cadmium nitrate, and hydrogen ion yields sodium ion, chlorine dioxide, nitrogen monoxide, cadmium ion, 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

Reaction of sodium chloride and cadmium nitrate under acidic condition
6NaClSodium chloride + 5Cd(NO3)2Cadmium nitrate + 16H+Hydrogen ion
🔥
6Na+Sodium ion + 6ClO2Chlorine dioxide + 10NONitrogen monoxide + 5Cd2+Cadmium ion + 8H2OWater

General equation

Reaction of hardly oxidizable species and oxidizing species under acidic condition
Hardly oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent + H+Non-redox agent
ProductOxidation product + ProductReduction product + H2ONon-redox product

Oxidation state of each atom

Reaction of sodium chloride and cadmium nitrate under acidic condition

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NaClSodium chloride6
Reducing
Hardly oxidizable
Cd(NO3)2Cadmium nitrate5
Oxidizing
Oxidizing under acidic condition
H+Hydrogen ion16
Hydrogen ion

Products

Chemical formulaNameCoefficientTypeType in general
equation
Na+Sodium ion6
ClO2Chlorine dioxide6
Oxidized
NONitrogen monoxide10
Reduced
Cd2+Cadmium ion5
H2OWater8
Water

Thermodynamic changes

Changes in standard condition (1)

Reaction of sodium chloride and cadmium nitrate under acidic condition
ΔrG1591.3 kJ/mol
K0.16 × 10−278
pK278.78
6NaClIonized aqueous solution + 5Cd(NO3)2Ionized aqueous solution + 16H+Un-ionized aqueous solution
🔥
6Na+Un-ionized aqueous solution + 6ClO2Gas + 10NOGas + 5Cd2+Un-ionized aqueous solution + 8H2OLiquid
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
2307.41591.32404.4
per 1 mol of
384.57265.22400.73
per 1 mol of
461.48318.26480.88
per 1 mol of
Hydrogen ion
144.2199.456150.28
per 1 mol of
Sodium ion
384.57265.22400.73
per 1 mol of
384.57265.22400.73
per 1 mol of
230.74159.13240.44
per 1 mol of
Cadmium ion
461.48318.26480.88
per 1 mol of
288.43198.91300.55

Changes in standard condition (2)

Reaction of sodium chloride and cadmium nitrate under acidic condition
ΔrG1588.9 kJ/mol
K0.43 × 10−278
pK278.36
6NaClIonized aqueous solution + 5Cd(NO3)2Ionized aqueous solution + 16H+Un-ionized aqueous solution
🔥
6Na+Un-ionized aqueous solution + 6ClO2Un-ionized aqueous solution + 10NOGas + 5Cd2+Un-ionized aqueous solution + 8H2OLiquid
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
2141.81588.91852.2
per 1 mol of
356.97264.82308.70
per 1 mol of
428.36317.78370.44
per 1 mol of
Hydrogen ion
133.8699.306115.76
per 1 mol of
Sodium ion
356.97264.82308.70
per 1 mol of
356.97264.82308.70
per 1 mol of
214.18158.89185.22
per 1 mol of
Cadmium ion
428.36317.78370.44
per 1 mol of
267.73198.61231.53

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
NaCl (cr)-411.153[1]-384.138[1]72.13[1]50.50[1]
NaCl (g)-176.65[1]-196.66[1]229.81[1]35.77[1]
NaCl (ai)-407.27[1]-393.133[1]115.5[1]-90.0[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]
H+ (g)1536.202[1]
H+ (ao)0[1]0[1]0[1]0[1]
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (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
Na+ (g)609.358[1]
Na+ (ao)-240.12[1]-261.905[1]59.0[1]46.4[1]
ClO2 (g)102.5[1]120.5[1]256.84[1]41.97[1]
ClO2 (ao)74.9[1]120.1[1]164.8[1]
NO (g)90.25[1]86.55[1]210.761[1]29.844[1]
Cd2+ (g)2623.54[1]
Cd2+ (ao)-75.90[1]-77.612[1]-73.2[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, (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)