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

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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