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3HCl + Zn(NO3)2 + H+ ๐Ÿ”ฅโ†’ Cl2O + 2HNO2 + ZnCl+ + H2O

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Reaction of hydrogen chloride and zinc nitrate under acidic condition
3HClHydrogen chloride + Zn(NO3)2Zinc nitrate + H+Hydrogen ion
๐Ÿ”ฅ
โŸถ
Cl2ODichlorine monoxide + 2HNO2Nitrous acid + ZnCl+Zinc chloride ion + H2OWater

The reaction of hydrogen chloride, zinc nitrate, and hydrogen ion yields dichlorine monoxide, nitrous acid, zinc chloride 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 hydrogen chloride and zinc nitrate under acidic condition
3HClHydrogen chloride + Zn(NO3)2Zinc nitrate + H+Hydrogen ion
๐Ÿ”ฅ
โŸถ
Cl2ODichlorine monoxide + 2HNO2Nitrous acid + ZnCl+Zinc chloride ion + H2OWater

General equation

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

Oxidation state of each atom

Reaction of hydrogen chloride and zinc nitrate under acidic condition

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
HClHydrogen chloride3
Reducing
Hardly oxidizable
Zn(NO3)2Zinc nitrate1
Oxidizing
Oxidizing under acidic condition
H+Hydrogen ion1
โ€“
Hydrogen ion

Products

Chemical formulaNameCoefficientTypeType in general
equation
Cl2ODichlorine monoxide1
Oxidized
โ€“
HNO2Nitrous acid2
Reduced
โ€“
ZnCl+Zinc chloride ion1
โ€“
โ€“
H2OWater1
โ€“
Water

Thermodynamic changes

Changes in standard condition

Reaction of hydrogen chloride and zinc nitrate under acidic condition
โ—†
ฮ”rG247.5 kJ/mol
K0.44 ร— 10โˆ’43
pK43.36
3HClIonized aqueous solution + Zn(NO3)2Ionized aqueous solution + H+Un-ionized aqueous solution
๐Ÿ”ฅ
โŸถ
Cl2OGas + 2HNO2Un-ionized aqueous solution + ZnCl+Un-ionized aqueous solution + H2OLiquid
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
โ€“247.5โ€“โ€“
per 1 mol of
โ€“82.50โ€“โ€“
per 1 mol of
โ€“247.5โ€“โ€“
per 1 mol of
Hydrogen ion
โ€“247.5โ€“โ€“
โ€“247.5โ€“โ€“
per 1 mol of
โ€“123.8โ€“โ€“
per 1 mol of
Zinc chloride ion
โ€“247.5โ€“โ€“
per 1 mol of
โ€“247.5โ€“โ€“

Thermodynamic data of reactants

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1		Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1		Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’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]
Zn(NO3)2 (cr)-483.7[1]โ€“โ€“โ€“
Zn(NO3)2 (ai)-568.61[1]-369.57[1]180.7[1]-126[1]
Zn(NO3)2 (cr)
1 hydrate
-805.0[1]โ€“โ€“โ€“
Zn(NO3)2 (cr)
2 hydrate
-1110.27[1]โ€“โ€“โ€“
Zn(NO3)2 (cr)
4 hydrate
-1699.12[1]โ€“โ€“โ€“
Zn(NO3)2 (cr)
6 hydrate
-2306.64[1]-1772.71[1]456.9[1]323.0[1]
H+ (g)1536.202[1]โ€“โ€“โ€“
H+ (ao)0[1]0[1]0[1]0[1]
* (g):Gas, (ai):Ionized aqueous solution, (cr):Crystalline solid, (ao):Un-ionized aqueous solution

Thermodynamic data of products

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1		Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1		Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
Cl2O (g)80.3[1]97.9[1]266.21[1]45.40[1]
HNO2 (g)
cis
-77.99[1]-42.94[1]248.76[1]44.77[1]
HNO2 (g)
trans
-80.12[1]-45.24[1]249.22[1]46.07[1]
HNO2 (g)-79.5[1]-46.0[1]254.1[1]45.6[1]
HNO2 (ao)-119.2[1]-50.6[1]135.6[1]โ€“
ZnCl+ (ao)โ€“-275.3[1]โ€“โ€“
H2O (cr)โ€“โ€“โ€“โ€“
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)