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  • 24-05-2017
  • Chemistry
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What is the oxidation number for s in s2o4?

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snowdove
snowdove snowdove
  • 24-05-2017
The oxidation number of O is -2 and there's 4 of them so the total is -8. Since it's a molecule the sum of the oxidation numbers of the atoms must equal 0. If 4 oxygen atoms have an oxidation number of -8 then the two S atoms must is +8 to equal 0 so the oxidation number of the S is 8/2 = +4
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