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SnBr2 + 2CsOH → 2CsBr + Sn(OH)2

The reaction of tin(II) bromide and caesium hydroxide yields caesium bromide and tin(II) hydroxide. 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

General equation

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
SnBr2Tin(II) bromide1
Brønsted acid
Lewis acid
Salt of weak base
Very soluble in water
CsOHCaesium hydroxide2
Brønsted base
Lewis base
Strong base
Very soluble in water

Products

Chemical formulaNameCoefficientTypeType in general
equation
CsBrCaesium bromide2
Conjugate acid
Non-redox product
Salt of strong base
Sn(OH)2Tin(II) hydroxide1
Conjugate base
Lewis conjugate
Weak base
Insoluble in water

Thermodynamic changes

Changes in standard condition

Reaction of tin(II) bromide and caesium hydroxide
SnBr2Crystalline solid + 2CsOHCrystalline solid
2CsBrCrystalline solid + Sn(OH)2Crystalline solidprecipitated
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
−294.8
per 1 mol of
−294.8
per 1 mol of
−147.4
per 1 mol of
−147.4
per 1 mol of
−294.8

Changes in aqueous solution

Reaction of tin(II) bromide and caesium hydroxide
SnBr2Crystalline solid + 2CsOHIonized aqueous solution
2CsBrIonized aqueous solution + Sn(OH)2Crystalline solidprecipitated
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
−100.7
per 1 mol of
−100.7
per 1 mol of
−50.35
per 1 mol of
−50.35
per 1 mol of
−100.7

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
SnBr2 (cr)-243.5[1]
CsOH (cr)-417.23[1]
CsOH (g)-247[1]-247[1]254.83[1]49.71[1]
CsOH (ai)-488.27[1]-449.25[1]122.30[1]
CsOH (cr)
1 hydrate
-754.04[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
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]
Sn(OH)2 (cr)
precipitated
-561.1[1]-491.6[1]155[1]
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution

References

List of references

  1. 1