What is the change in the oxidation number of phosphorus in the following reaction? 4P(s)…

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Chemistry NECO 2003

What is the change in the oxidation number of phosphorus in the following reaction?

4P(s) + 5O2(ag) → 2P2O5(s)

  • 0 to 2
  • 0 to 5 checkmark
  • 4 to 2
  • 4 to 5
  • 4 to 10

The correct answer is: B

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