For the reaction: $4Fe + 3O_2 \rightleftharpoons 4Fe^{3+} + 6O^{2-}$,which of the following statements is $NOT$ correct?

  • A
    Metallic iron is a reducing agent.
  • B
    $Fe^{3+}$ is an oxidizing agent.
  • C
    It is a redox reaction.
  • D
    Metallic iron is reduced by $Fe^{3+}$.

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