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Oxidation - gain of oxygen?

  1. Dec 2, 2014 #1
    2NO + O2 -> 2NO2
    "Oxidation of NO"

    So a reactant - 2NO doesn't seem to lose an electron, it only gains an additional oxygen atom. So, I guess, oxidation is also gain of an oxygen? ...
  2. jcsd
  3. Dec 2, 2014 #2


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    2Na + F2 → 2NaF

    Is this an oxidation?
  4. Dec 2, 2014 #3


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    Staff: Mentor

    Do you know what oxidation state/oxidation number is? Can you calculate it for N?
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