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Co(NO3)2 + Na2[Sn(OH)6] 💧→ Co(OH)2↓ + Sn(OH)4↓ + 2NaNO3

The reaction of cobalt(II) nitrate and sodium hexahydroxidostannate(IV) yields cobalt(II) hydroxide, tin(IV) hydroxide, and sodium nitrate. 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
Co(NO3)2Cobalt(II) nitrate1
Lewis acid
Very soluble in water
Na2[Sn(OH)6]Sodium hexahydroxidostannate(IV)1
Lewis base
Very soluble in water

Products

Chemical formulaNameCoefficientTypeType in general
equation
Co(OH)2Cobalt(II) hydroxide1
Lewis conjugate
Insoluble in water
Sn(OH)4Tin(IV) hydroxide1
Lewis conjugate
Insoluble in water
NaNO3Sodium nitrate2
Non-redox product

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
Co(NO3)2 (cr)-420.5[1]
Co(NO3)2 (ai)-472.8[1]-276.9[1]180[1]
Co(NO3)2 (cr)
2 hydrate
-1021.7[1]
Co(NO3)2 (cr)
3 hydrate
-1325.9[1]
Co(NO3)2 (cr)
4 hydrate
-1630.5[1]
Co(NO3)2 (cr)
6 hydrate
-2211.20[1]452[1]
Na2[Sn(OH)6]
* (cr):Crystalline solid, (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
Co(OH)2 (cr)
blue, precipitated
-450.1[1]
Co(OH)2 (cr)
pink, precipitated
-539.7[1]-454.3[1]79[1]
Co(OH)2 (cr)
pink, precipitated, aged
-458.1[1]
Co(OH)2 (ai)-518.0[1]-369.0[1]-134[1]
Co(OH)2 (ao)-421.7[1]
Sn(OH)4 (cr)
precipitated
-1110.0[1]
NaNO3 (cr)-467.85[1]-367.00[1]116.52[1]92.88[1]
NaNO3 (ai)-447.48[1]-373.15[1]205.4[1]-40.2[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution

References

List of references

  1. 1