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Miscellaneous·2022·Easy

Which one of the following is not an example of a redox reaction?

Which one of the following is not an example of a redox reaction?

Options

  1. a.

    AlCl₃ + 3H₂O → Al(OH)₃ + 3HCl

    Correct answer
  2. b.

    2NaH → 2Na + H₂

  3. c.

    4Fe + 3O₂ → 2Fe₂O₃

  4. d.

    CuSO₄ + Zn → Cu + ZnSO₄

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