Humboldt State University ® Department of Chemistry

Richard A. Paselk

 

Introductory Chemistry

Spring 2011

Exercise: Oxidation Numbers

© R. Paselk 2005
 
 

Worked Examples
 

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Assigning Oxidation Numbers

Oxidation numbers are most readily assigned using a simple set of rules:

Practice examples:

  1. NH4+

  2. CO32-

  3. NO3-

  4. NO2-

  5. PO43-

  6. SO32-

  7. SO42-

  8. C2O42-

  9. HCO3-

  10. MnO4-

  11. HClO4

  12. HClO3

  13. HClO2

  14. HClO

Answers


© R A Paselk

Last modified 11 May 2009