Humboldt State University ® Department of Chemistry

Richard A. Paselk

 

General Chemistry

Fall 2008

Exercise: Redox Balancing

© R. Paselk 2008
 
 

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REDOX EQUATION BALANCING PRACTICE PROBLEMS

Balance the reactions below in aqueous acidic solutions:

  1. MnO4- + Fe2+ Fe3+ + Mn2+
  2. H2O2 + MnO4- Mn2+ + O2(g)
  3. I - + H2O2 I2
  4. Cr2O72- + I - Cr3+ + IO3-
  5. S2O32- + I2 S4O62- + I -
  6. CuS(s) + NO3- Cu2+ + S(s) + NO(g)
  7. MnO42- MnO2(s) + MnO4-
  8. Pb(s) + PbO2(s) + SO42- PbSO4(s)

Answers 1-8


In addition to these exercises you should familiarize yourself with the text materials.


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© R A Paselk

Last modified 27 October 2008