Fe → FeSO4→ Fe → FeCl3 → Fe(OH)3 → Fe2O3

The image shows a sequence of chemical transformations involving iron (Fe). The sequence is: Iron to Iron(II) sulfate, Iron(II) sulfate to Iron, Iron to Iron(III) chloride, Iron(III) chloride to Iron(III) hydroxide, and Iron(III) hydroxide to Iron(III) oxide.