Oxidation-Reduction Reactions

AP Chemistry· difficulty 1/5

The oxidation state of any element in its standard form (e.g., O₂, H₂, Fe, Na) is

  • A

    −1

  • B

    Variable

  • C

    +1

  • D

    0

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Explanation

Pure elements always have ox. state 0. Charge of monatomic ion = ox. state.

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