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SnBr4 + 4e → Sn + 4Br

Reduction of tin(IV) bromide
SnBr4Tin(IV) bromide + 4eElectron
SnTin + 4BrBromide ion

Reduction of tin(IV) bromide yields tin and bromide ion (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

Reduction of tin(IV) bromide
SnBr4Tin(IV) bromide + 4eElectron
SnTin + 4BrBromide ion

General equation

Reduction of reducible species
ReactantOxidizing agent + e
ProductReduction product

Oxidation state of each atom

Reduction of tin(IV) bromide

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
SnBr4Tin(IV) bromide1
Oxidizing
eElectron4
Electron

Products

Chemical formulaNameCoefficientTypeType in general
equation
SnTin1
Reduced
BrBromide ion4

Thermodynamic changes

Changes in standard condition

Reduction of tin(IV) bromide
ΔrG−65.6 kJ/mol
K3.11 × 1011
pK−11.49
SnBr4Crystalline solid + 4e
SnCrystalline solidwhite + 4BrUn-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
−108.8−65.6116.8
per 1 mol of
−108.8−65.6116.8
per 1 mol of
Electron
−27.20−16.429.20
per 1 mol of
−108.8−65.6116.8
per 1 mol of
Bromide ion
−27.20−16.429.20

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
SnBr4 (cr)-377.4[1]-350.2[1]264.4[1]
SnBr4 (g)-314.6[1]-331.4[1]411.94[1]103.39[1]
SnBr4 (cr)
8 hydrate
-2767.7[1]
SnBr4 (l)
8 hydrate
-2725.0[1]
e
* (cr):Crystalline solid, (g):Gas, (l):Liquid

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
Sn (cr)
white
0[1]0[1]51.55[1]26.99[1]
Sn (cr)
gray
-2.09[1]0.13[1]44.14[1]25.77[1]
Sn (g)302.1[1]267.3[1]168.486[1]21.259[1]
Br (g)-219.07[1]
Br (ao)-121.55[1]-103.96[1]82.4[1]-141.8[1]
* (cr):Crystalline solid, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1