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In FeCr(2)O(4) , the oxidation numbers o...

In `FeCr_(2)O_(4)` , the oxidation numbers of Fe and Cr are :

A

`+2` and `+3`

B

`0` and `+2`

C

`+2` and `+6`

D

`+3` and `+6`

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The correct Answer is:
a
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