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Valency and Oxidation State

The oxidation...

Question

The oxidation number of chromium in $C r O_{5}$ is:

A

6

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B

5

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C

10

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D

0

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Solution

The correct option is B 6
The oxidation number of chromium in chromium pentaoxide is 6.

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Q. Assertion :Oxidation number of chromium in

C r O_{5}

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. Reason: Oxidation number of each oxygen atom in

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Valency and Oxidation State

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