Answer:
2 Electron on product side.
Explanation:
Given half reaction:
Fe⁺ → Fe⁺³ + 2e⁻
The given reaction shows that oxidation take place because oxidation state of Fe is increased from +1 to +3.
when oxidation state of iron increased +1 to +3 it means iron lost two more electrons.
The oxidation reduction reactions are called redox reaction. These reactions are take place by gaining or losing the electrons and oxidation state of elements are changed.
Oxidation:
Oxidation involve the removal of electrons and oxidation state of atom of an element is increased.
Reduction:
Reduction involve the gain of electron and oxidation number is decreased.