Fe➡FeSO4➡Fe(OH)2➡Fe(OH)3

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This is the reaction pathway for the conversion of iron metal (Fe) to iron hydroxide (Fe(OH)3) through the intermediate steps of iron sulfate (FeSO4) and iron hydroxide (Fe(OH)2). The overall reaction can be summarized as:

Fe + H2SO4 + H2O -> FeSO4 + H2
FeSO4 + 2NaOH -> Fe(OH)2 + Na2SO4
Fe(OH)2 + H2O2 -> Fe(OH)3 + H2O

These reactions involve the oxidation and reduction of iron, as well as the formation of different iron compounds with varying oxidation states.