You-iggy
  1. Home
  2. Chemical reactions
  3. 3NH4SCN + 45Fe2O3 ๐Ÿ”ฅโ†’ 2NOโ†‘ + 3FeSO4 + 3FeCO3 + 28Fe3O4 + 4NH3โ†‘

3NH4SCN + 45Fe2O3 ๐Ÿ”ฅโ†’ 2NOโ†‘ + 3FeSO4 + 3FeCO3 + 28Fe3O4 + 4NH3โ†‘

Last updated:
Reaction of ammonium thiocyanate and iron(III) oxide
3NH4SCNAmmonium thiocyanate + 45Fe2O3Iron(III) oxide
๐Ÿ”ฅ
โŸถ
2NOโ†‘Nitrogen monoxide + 3FeSO4Iron(II) sulfate + 3FeCO3Iron(II) carbonate + 28Fe3O4Iron(II,III) oxide + 4NH3โ†‘Ammonia

The reaction of ammonium thiocyanate and iron(III) oxide yields nitrogen monoxide, iron(II) sulfate, iron(II) carbonate, iron(II,III) oxide, and ammonia (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 ammonium thiocyanate and iron(III) oxide
3NH4SCNAmmonium thiocyanate + 45Fe2O3Iron(III) oxide
๐Ÿ”ฅ
โŸถ
2NOโ†‘Nitrogen monoxide + 3FeSO4Iron(II) sulfate + 3FeCO3Iron(II) carbonate + 28Fe3O4Iron(II,III) oxide + 4NH3โ†‘Ammonia

General equation

Reaction of reducing species and reducible species
Reducing speciesReducing agent + Reducible speciesOxidizing agent
โŸถ
ProductOxidation product + ProductReduction product

Oxidation state of each atom

Reaction of ammonium thiocyanate and iron(III) oxide

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
NH4SCNAmmonium thiocyanate3
Reducing
Reducing
Fe2O3Iron(III) oxide45
Oxidizing
Reducible

Products

Chemical formulaNameCoefficientTypeType in general
equation
NONitrogen monoxide2
Oxidized
โ€“
FeSO4Iron(II) sulfate3
Redoxed product
โ€“
FeCO3Iron(II) carbonate3
Reduced
โ€“
Fe3O4Iron(II,III) oxide28
Reduced
โ€“
NH3Ammonia4
โ€“
โ€“

Thermodynamic changes

Changes in standard condition

Reaction of ammonium thiocyanate and iron(III) oxide
3NH4SCNCrystalline solid + 45Fe2O3Crystalline solid
๐Ÿ”ฅ
โŸถ
2NOโ†‘Gas + 3FeSO4Crystalline solid + 3FeCO3Crystalline solidsiderite + 28Fe3O4Crystalline solid + 4NH3โ†‘Gas
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
999.1โ€“โ€“โ€“
333.0โ€“โ€“โ€“
per 1 mol of
22.20โ€“โ€“โ€“
per 1 mol of
499.6โ€“โ€“โ€“
per 1 mol of
333.0โ€“โ€“โ€“
per 1 mol of
333.0โ€“โ€“โ€“
per 1 mol of
35.68โ€“โ€“โ€“
per 1 mol of
249.8โ€“โ€“โ€“

Changes in aqueous solution (1)

Reaction of ammonium thiocyanate and iron(III) oxide
โ—†
ฮ”rG572.5 kJ/mol
K0.50 ร— 10โˆ’100
pK100.30
3NH4SCNIonized aqueous solution + 45Fe2O3Crystalline solid
๐Ÿ”ฅ
โŸถ
2NOโ†‘Gas + 3FeSO4Crystalline solid + 3FeCO3Crystalline solidsiderite + 28Fe3O4Crystalline solid + 4NH3โ†‘Gas
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
931.2572.51185.6โˆ’28.3
310.4190.8395.20โˆ’9.43
per 1 mol of
20.6912.7226.347โˆ’0.629
per 1 mol of
465.6286.3592.80โˆ’14.2
per 1 mol of
310.4190.8395.20โˆ’9.43
per 1 mol of
310.4190.8395.20โˆ’9.43
per 1 mol of
33.2620.4542.343โˆ’1.01
per 1 mol of
232.8143.1296.40โˆ’7.08

Changes in aqueous solution (2)

Reaction of ammonium thiocyanate and iron(III) oxide
โ—†
ฮ”rG532.3 kJ/mol
K0.56 ร— 10โˆ’93
pK93.25
3NH4SCNIonized aqueous solution + 45Fe2O3Crystalline solid
๐Ÿ”ฅ
โŸถ
2NOโ†‘Gas + 3FeSO4Crystalline solid + 3FeCO3Crystalline solidsiderite + 28Fe3O4Crystalline solid + 4NH3โ†‘Un-ionized aqueous solution
Standard enthalpy
of reaction
ฮ”rHยฐ
kJ ยท molโˆ’1		Standard
Gibbs energy
of reaction
ฮ”rGยฐ
kJ ยท molโˆ’1		Standard entropy
of reaction
ฮ”rSยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard heat
capacity of reaction
at constant pressure
ฮ”rCpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
per 1 mol of
Equation
794.4532.3861.0โ€“
264.8177.4287.0โ€“
per 1 mol of
17.6511.8319.13โ€“
per 1 mol of
397.2266.1430.5โ€“
per 1 mol of
264.8177.4287.0โ€“
per 1 mol of
264.8177.4287.0โ€“
per 1 mol of
28.3719.0130.75โ€“
per 1 mol of
198.6133.1215.3โ€“

Thermodynamic data of reactants

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1		Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1		Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
NH4SCN (cr)-78.7[1]โ€“โ€“โ€“
NH4SCN (ai)-56.07[1]13.40[1]257.7[1]39.7[1]
Fe2O3 (cr)-824.2[1]-742.2[1]87.40[1]103.85[1]
* (cr):Crystalline solid, (ai):Ionized aqueous solution

Thermodynamic data of products

Chemical formulaStandard enthalpy
of formation
ฮ”fHยฐ
kJ ยท molโˆ’1		Standard Gibbs
energy of
formation
ฮ”fGยฐ
kJ ยท molโˆ’1		Standard
molar entropy
Sยฐ
J ยท Kโˆ’1 ยท molโˆ’1		Standard molar
heat capacity at
constant pressure
Cpยฐ
J ยท Kโˆ’1 ยท molโˆ’1
NO (g)90.25[1]86.55[1]210.761[1]29.844[1]
FeSO4 (cr)-928.4[1]-820.8[1]107.5[1]100.58[1]
FeSO4 (ai)-998.3[1]-823.43[1]-117.6[1]โ€“
FeSO4 (cr)
1 hydrate
-1243.69[1]โ€“โ€“โ€“
FeSO4 (cr)
4 hydrate
-2129.2[1]โ€“โ€“โ€“
FeSO4 (cr)
7 hydrate
-3014.57[1]-2509.87[1]409.2[1]394.47[1]
FeCO3 (cr)
siderite
-740.57[1]-666.67[1]92.9[1]82.13[1]
Fe3O4 (cr)-1118.4[1]-1015.4[1]146.4[1]143.43[1]
NH3 (g)-46.11[1]-16.45[1]192.45[1]35.06[1]
NH3 (ao)-80.29[1]-26.50[1]111.3[1]โ€“
* (g):Gas, (cr):Crystalline solid, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution

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)