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What is the oxidation number of H2O?

Updated: 8/11/2023
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12y ago

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For the hydrogen atoms the oxidation state is 1+, for the oxygen it is 2-

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12y ago
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13y ago

Oxidation state of oxygen in H2O2 is -1 as it has open book structure.

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Q: What is the oxidation number of H2O?
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When H2O2 acts as an oxidizing agent, the H2O2 must be reduced. Therefore, the product from it will be water, in which oxygen has an oxidation number of -2, whereas in H2O2 has an oxidation number of -1 and in O2 the oxygen has an oxidation number of 0.


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In:(H2)g oxidation state: 0 In:(O2)g oxidation state: 0 In:(H2O)l oxidation state: H: +1 and O: -2


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