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The oxidation number of Cr in K(2)Cr(2)O...

The oxidation number of Cr in `K_(2)Cr_(2)O_(7)` is………

A

+6

B

+4

C

-2

D

+7

Text Solution

Verified by Experts

`K_(2)Cr_(2)O_(7)`
2 + 2x-14 = 0
2x-12 = 0
2x = +12
x = +6
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