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How to calculate the oxidation number of Cr in K3CrO8?

How to calculate the oxidation number of Cr in K3CrO8?

Grade:11

1 Answers

Michael Hoggs
18 Points
6 years ago
total should come out to be zero as the compound is neutral.
Therefore:
K->+1
Cr->x
O->-2
Which implies:
(3*1)-(2*8)+x=0
On solving we get x=13
 

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