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The oxidation number of Cr is +6 in :...

The oxidation number of `Cr` is `+6` in :

A

`FeCr_(2)O_(4)`

B

`Fe_(2)(CrO_(4))_(2)`

C

`Cr_(2)(SO_(4))O_(3)`

D

`[Cr(OH)_(4)]^(-)`

Text Solution

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The correct Answer is:
b
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