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Hydrogen Peroxide

Oxidation num...

Question

Oxidation number of O in $H_{2} O_{2}$ :

A

1+

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B

1-

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C

0

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D

2+

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E

3+

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Solution

The correct option is B 1-
$H_{2} O_{2}$ has $- 1$ oxidation state of the O-atom.
The oxidation number of oxygen in compounds is usually -2, but it is -1 in peroxides.

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