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Valency and Oxidation State

The oxidation...

Question

The oxidation number of $B a$ in barium peroxide is

A

+ 6

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B

+ 2

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C

1

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D

+ 4

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Solution

The correct option is D $+ 2$
Barium peroxide is $B a O_{2} .$

The oxidation number of $B a$ in barium peroxide is $+ 2$ as $B a$ is second group element.

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