The following reaction describes the rusting of iron:
$4Fe + 3O_2 \to 4Fe^{3+} + 6O^{2-}$
Which one of the following statements is incorrect?

  • A
    This is an example of a redox reaction
  • B
    Metallic iron is reduced to $Fe^{3+}$
  • C
    $Fe^{3+}$ is an oxidising agent
  • D
    Metallic iron is a reducing agent

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