Yes, it is possible to convert Fe2O3 (iron(III) oxide) into FeSO4 (iron(II) sulfate) through a series of chemical reactions. The overall sequence involves reducing iron(III) oxide to iron(II) sulfate.
Here's one possible sequence of reactions to achieve this conversion:
Reduction of Fe2O3 to Fe3O4: Iron(III) oxide can be reduced to iron(II,III) oxide (Fe3O4), also known as magnetite. This can be accomplished by heating Fe2O3 with a suitable reducing agent such as carbon monoxide (CO) or hydrogen (H2):
Fe2O3 + CO → Fe3O4 + CO2
Conversion of Fe3O4 to FeO: Fe3O4 can be further reduced to iron(II) oxide (FeO) by heating it under an oxygen-free atmosphere or in the presence of a reducing agent:
Fe3O4 + CO → 3FeO + CO2
Conversion of FeO to FeSO4: Finally, iron(II) oxide (FeO) can be reacted with sulfuric acid (H2SO4) to produce iron(II) sulfate (FeSO4):
FeO + H2SO4 → FeSO4 + H2O
By following these steps, you can convert Fe2O3 to FeSO4. It's important to note that these reactions are simplifications and may require specific reaction conditions, such as temperature, pressure, or catalysts, for successful completion. Additionally, proper safety precautions should be taken when working with chemicals.