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13NiS + 8KMnO4 → NiSO4 + 12NiO + 4K2SO4 + 8MnS

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Reaction of nickel(II) sulfide and potassium permanganate
13NiSNickel(II) sulfide + 8KMnO4Potassium permanganate
⟶
NiSO4Nickel(II) sulfate + 12NiONickel(II) oxide + 4K2SO4Potassium sulfate + 8MnSManganese(II) sulfide

The reaction of nickel(II) sulfide and potassium permanganate yields nickel(II) sulfate, nickel(II) oxide, potassium sulfate, and manganese(II) sulfide (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

Reaction of nickel(II) sulfide and potassium permanganate
13NiSNickel(II) sulfide + 8KMnO4Potassium permanganate
⟶
NiSO4Nickel(II) sulfate + 12NiONickel(II) oxide + 4K2SO4Potassium sulfate + 8MnSManganese(II) sulfide

General equation

Reaction of reducing species and oxidizing species
Reducing speciesReducing agent + Oxidizing speciesOxidizing agent
⟶
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of nickel(II) sulfide and potassium permanganate

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NiSNickel(II) sulfide13
Reducing
Reducing
KMnO4Potassium permanganate8
Oxidizing
Oxidizing

Products

Chemical formulaNameCoefficientTypeType in general
equation
NiSO4Nickel(II) sulfate1
Oxidized
–
NiONickel(II) oxide12
–
–
K2SO4Potassium sulfate4
Oxidized
–
MnSManganese(II) sulfide8
Reduced
–

Thermodynamic changes

Changes in standard condition (1)

Reaction of nickel(II) sulfide and potassium permanganate
◆
ΔrG−3398.5 kJ/mol
K2.46 × 10595
pK−595.39
13NiSCrystalline solid + 8KMnO4Crystalline solid
⟶
NiSO4Crystalline solid + 12NiOCrystalline solid + 4K2SO4Crystalline solid + 8MnSCrystalline solidgreen
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
−3450.5−3398.5−18742
per 1 mol of
−265.42−261.42−14.43.2
−431.31−424.81−23.45.3
per 1 mol of
−3450.5−3398.5−18742
per 1 mol of
−287.54−283.21−15.63.5
per 1 mol of
−862.63−849.63−46.811
−431.31−424.81−23.45.3

Changes in standard condition (2)

Reaction of nickel(II) sulfide and potassium permanganate
13NiSCrystalline solid + 8KMnO4Crystalline solid
⟶
NiSO4Crystalline solid + 12NiOCrystalline solid + 4K2SO4Crystalline solid + 8MnSAmorphous solidprecipitated, pink
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
−3447.3–––
per 1 mol of
−265.18–––
−430.91–––
per 1 mol of
−3447.3–––
per 1 mol of
−287.28–––
per 1 mol of
−861.83–––
−430.91–––

Changes in standard condition (3)

Reaction of nickel(II) sulfide and potassium permanganate
13NiSCrystalline solidprecipitated + 8KMnO4Crystalline solid
⟶
NiSO4Crystalline solid + 12NiOCrystalline solid + 4K2SO4Crystalline solid + 8MnSCrystalline solidgreen
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
−3510.3–––
per 1 mol of
−270.02–––
−438.79–––
per 1 mol of
−3510.3–––
per 1 mol of
−292.53–––
per 1 mol of
−877.58–––
−438.79–––

Changes in standard condition (4)

Reaction of nickel(II) sulfide and potassium permanganate
13NiSCrystalline solidprecipitated + 8KMnO4Crystalline solid
⟶
NiSO4Crystalline solid + 12NiOCrystalline solid + 4K2SO4Crystalline solid + 8MnSAmorphous solidprecipitated, pink
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
−3507.1–––
per 1 mol of
−269.78–––
−438.39–––
per 1 mol of
−3507.1–––
per 1 mol of
−292.26–––
per 1 mol of
−876.77–––
−438.39–––

Changes in aqueous solution (1)

Reaction of nickel(II) sulfide and potassium permanganate
◆
ΔrG−3444.7 kJ/mol
K3.06 × 10603
pK−603.49
13NiSCrystalline solid + 8KMnO4Ionized aqueous solution
⟶
NiSO4Ionized aqueous solution + 12NiOCrystalline solid + 4K2SO4Ionized aqueous solution + 8MnSCrystalline solidgreen
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
−3792.9−3444.7−1165.1–
per 1 mol of
−291.76−264.98−89.623–
−474.11−430.59−145.64–
per 1 mol of
−3792.9−3444.7−1165.1–
per 1 mol of
−316.07−287.06−97.092–
per 1 mol of
−948.23−861.17−291.27–
−474.11−430.59−145.64–

Changes in aqueous solution (2)

Reaction of nickel(II) sulfide and potassium permanganate
◆
ΔrG−3457.7 kJ/mol
K5.79 × 10605
pK−605.76
13NiSCrystalline solid + 8KMnO4Ionized aqueous solution
⟶
NiSO4Un-ionized aqueous solution + 12NiOCrystalline solid + 4K2SO4Ionized aqueous solution + 8MnSCrystalline solidgreen
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
−3779.0−3457.7−1074.3–
per 1 mol of
−290.69−265.98−82.638–
−472.38−432.21−134.29–
per 1 mol of
−3779.0−3457.7−1074.3–
per 1 mol of
−314.92−288.14−89.525–
per 1 mol of
−944.75−864.42−268.57–
−472.38−432.21−134.29–

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
NiS (cr)-82.0[1]-79.5[1]52.97[1]47.11[1]
NiS (cr)
precipitated
-77.4[1]–––
KMnO4 (cr)-837.2[1]-737.6[1]171.71[1]117.57[1]
KMnO4 (ai)-793.8[1]-730.5[1]293.7[1]-60.2[1]
* (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
NiSO4 (cr)-872.91[1]-759.7[1]92[1]138[1]
NiSO4 (ai)-963.2[1]-790.3[1]-108.8[1]–
NiSO4 (ao)-949.3[1]-803.3[1]-18.0[1]–
NiSO4 (cr)
4 hydrate
-2104.1[1]–––
NiSO4 (cr)
6 hydrate
α, tetragonal, green
-2682.82[1]-2224.61[1]334.47[1]327.86[1]
NiSO4 (cr)
6 hydrate
β, monoclinic, blue
-2672.3[1]–––
NiSO4 (cr)
7 hydrate
-2976.33[1]-2461.83[1]378.94[1]364.59[1]
NiO (cr)-239.7[1]-211.7[1]37.99[1]44.31[1]
NiO (g)314[1]–––
K2SO4 (cr)-1437.79[1]-1321.37[1]175.56[1]131.46[1]
K2SO4 (g)-1096[1]-1033[1]364[1]108.8[1]
K2SO4 (ai)-1414.02[1]-1311.07[1]225.1[1]-251[1]
MnS (cr)
green
-214.2[1]-218.4[1]78.2[1]49.96[1]
MnS (am)
precipitated, pink
-213.8[1]–––
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution, (g):Gas, (am):Amorphous solid

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)