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What quantity of electrons is lost when one mole of iron (II) ions is oxidized to...

Chemistry
WAEC 2020

What quantity of electrons is lost when one mole of iron (II) ions is oxidized to iron (III) ?

  • A. 0 mole
  • B. I mole
  • C. 2 moles
  • D. 3 moles
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Correct Answer: Option B
Explanation

Fe\(^{2+}\) → Fe\(^{3+}\)

The pale greenFe\(^{2+}\) is oxidized to orange Fe\(^{3+}\) because it loses an electron.

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