Chemistry 0620 · IGCSE · Redox

Redox — practice question

Which compound is shown using oxidation state (VII)?

  • A$\text{CuSO}_4$
  • B$\text{FeSO}_4$
  • C$\text{Fe}_2(\text{SO}_4)_3$
  • D$\text{KMnO}_4$

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