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Grade 11Physical Chemistry

How to calculate the oxidation number of Cr in K3CrO8?

Profile image of Rugved Bhosekar
8 Years agoGrade 11
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1 Answer

Profile image of Michael Hoggs
ApprovedApproved Tutor Answer8 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