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Nitrate oxidation state

  1. Mar 5, 2008 #1
    Why does nitrate (NO3-) have an oxidation state of +5? Doesn't it have 4 bonds to oxygen? Shouldn't that give it an oxidation state of +4?
     
  2. jcsd
  3. Mar 6, 2008 #2
  4. Apr 29, 2008 #3
    That link doesn't work for me and I am still wondering about this topic. Anybody else want to fill me in?
     
  5. Apr 29, 2008 #4

    Borek

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    Staff: Mentor

  6. Apr 29, 2008 #5
    In NO3-, the negative charge is on the oxygen. in molecular form, it would have been nitric acid, HNO3. there is an N-O-H bond, a N=O bond and a N<=O bond (dative).

    In NO3-, the N-O-H bond becomes N-O^-

    it has 5 'bonds' to oxygen. (1 double bond, 1 dative double bond and 1 single bond with O-)
     
  7. Apr 29, 2008 #6

    GCT

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    Spirochete-Are you referring to the oxidation state of the nitrogen atom?
     
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