oxidation no Of H in H2, And why it is zero (method required)?
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Explanation:
Peroxides include hydrogen peroxide, H2O2. This is an electrically neutral compound and so the sum of the oxidation states of the hydrogen and oxygen must be zero.
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Working out oxidation states.
element usual oxidation state exceptions
Group 1 metals always +1 (see note below)
Group 2 metals always +2
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