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Homework Help: Where is the oxygen reduced?

  1. May 29, 2010 #1
    2C2H2 + 5O2 -> 4CO2 + 2H2O

    Oxidation: 2C2- -> 4C4+ + 12e-

    I am confused to where the reduction products are becuse the oxygens are part of the carbon dioxide and the water. Could somone please help me?
  2. jcsd
  3. May 29, 2010 #2


    User Avatar

    Staff: Mentor

    What is oxidation number of oxygen before and after the reaction?

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