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K2[Sn(OH)6] + 6e → K2O + Sn + 5OH + H

Reduction of potassium hexahydroxidostannate(IV)
K2[Sn(OH)6]Potassium hexahydroxidostannate(IV) + 6eElectron
K2OPotassium oxide + SnTin + 5OHHydroxide ion + HHydride ion

Reduction of potassium hexahydroxidostannate(IV) yields potassium oxide, tin, hydroxide ion, and hydride 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 potassium hexahydroxidostannate(IV)
K2[Sn(OH)6]Potassium hexahydroxidostannate(IV) + 6eElectron
K2OPotassium oxide + SnTin + 5OHHydroxide ion + HHydride ion

General equation

Reduction of reducible species
ReactantOxidizing agent + e
ProductReduction product

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
K2[Sn(OH)6]Potassium hexahydroxidostannate(IV)1
Oxidizing
eElectron6
Electron

Products

Chemical formulaNameCoefficientTypeType in general
equation
K2OPotassium oxide1
SnTin1
Reduced
OHHydroxide ion5
HHydride ion1
Reduced

Thermodynamic changes

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
K2[Sn(OH)6]
e

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
K2O (cr)-361.5[1]-322.1[2]94.1[2]83.7[2]
K2O (g)-63[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]
OH (g)-143.5[1]
OH (ao)-229.994[1]-157.244[1]-10.75[1]-148.5[1]
H (g)138.99[1]
* (cr):Crystalline solid, (g):Gas, (ao):Un-ionized aqueous solution

References

List of references

  1. 1
  2. 2
    James G. Speight (2017)
    Lange's Handbook of Chemistry, 17th edition
    McGraw Hill Education