Cecilliamcvcribell Cecilliamcvcribell
  • 20-10-2016
  • Chemistry
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What are the oxidation numbers in the compound H2O2?

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Loliypop3
Loliypop3 Loliypop3
  • 20-10-2016
The oxidation number of oxygen in compounds is usually -2, but it is -1 in peroxides. The sum of the oxidation numbers of all the atoms in a neutral compound is 0. The oxidation number of H is +1 (Rule 1). If you know that H₂O₂ is hydrogen peroxide, you can immediately assign oxygen the ON = -1.Jul 2, 2014
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