What is oxidation state of oxygen in water.hydrogen peroxide.oxygen gas.in oxyfluorides
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In a peroxide ion (O2), each oxygen atom has a -1 oxidation number which combine to give peroxide its -2 charge. 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).
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