What quantity of electrons is lost when one mole of iron (II) ions is oxidized to iron (III) ?
- 0 mole
-
3 moles
- I mole
- 2 moles
The correct answer is: B
Explanation
Fe\(^2^+\) → Fe\(^3^+\)
The pale green Fe2+ is oxidized to orange Fe3+ because it loses an electron.