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CsBr + HClO3 → CsClO3 + HBr↑

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Reaction of caesium bromide and chloric acid
CsBrCaesium bromide + HClO3Chloric acid
⟶
CsClO3Caesium chlorate + HBr↑Hydrogen bromide

The reaction of caesium bromide and chloric acid yields caesium chlorate and hydrogen bromide. This reaction is an acid-base reaction and is classified as follows:

Table of contents
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related categories

Reaction data

Chemical equation

Reaction of caesium bromide and chloric acid
CsBrCaesium bromide + HClO3Chloric acid
⟶
CsClO3Caesium chlorate + HBr↑Hydrogen bromide

General equation

Reaction of salt of volatile acid and nonvolatile acid with generating volatile acid
Salt of volatile acidBrønsted base + Nonvolatile acidBrønsted acid
⟶
Salt of non volatile acidConjugate base + Volatile acidConjugate acid

Oxidation state of each atom

Reaction of caesium bromide and chloric acid

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
CsBrCaesium bromide1
Brønsted base
Salt of volatile acid
HClO3Chloric acid1
Brønsted acid
Nonvolatile acid

Products

Chemical formulaNameCoefficientTypeType in general
equation
CsClO3Caesium chlorate1
Conjugate base
Salt of non volatile acid
HBrHydrogen bromide1
Conjugate acid
Volatile acid

Thermodynamic changes

Changes in standard condition (1)

Reaction of caesium bromide and chloric acid
◆
ΔrG50.50 kJ/mol
K0.14 × 10−8
pK8.85
CsBrIonized aqueous solution + HClO3Ionized aqueous solution
⟶
CsClO3Ionized aqueous solution + HBr↑Gas
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
85.1450.50116.3–
per 1 mol of
85.1450.50116.3–
per 1 mol of
85.1450.50116.3–
per 1 mol of
85.1450.50116.3–
per 1 mol of
85.1450.50116.3–

Changes in standard condition (2)

Reaction of caesium bromide and chloric acid
◆
ΔrG−0.01 kJ/mol
K1.00 × 100
pK−0.00
CsBrIonized aqueous solution + HClO3Ionized aqueous solution
⟶
CsClO3Ionized aqueous solution + HBr↑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
−0.01−0.010.0–
per 1 mol of
−0.0100−0.01000.0–
per 1 mol of
−0.0100−0.01000.0–
per 1 mol of
−0.0100−0.01000.0–
per 1 mol of
−0.0100−0.01000.0–

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
CsBr (cr)-405.81[1]-391.41[1]113.05[1]52.93[1]
CsBr (g)-209.2[1]-241.0[1]267.43[1]37.07[1]
CsBr (ai)-379.82[1]-395.97[1]215.48[1]–
HClO3 (ai)-103.97[1]-7.95[1]162.3[1]–
* (cr):Crystalline solid, (g):Gas, (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
CsClO3 (cr)-411.7[1]-307.9[1]156.1[1]–
CsClO3 (ai)-362.25[1]-299.97[1]295.4[1]–
HBr (g)-36.40[1]-53.45[1]198.695[1]29.142[1]
HBr (ai)-121.55[1]-103.96[1]82.4[1]-141.8[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (g):Gas

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)