An oxidation state of or in K2CrO7 - JAMB Chemistry 2015 Question
An oxidation state of or in K2CrO7
A
7
B
6
C
5
D
4
correct option: b
The oxidation state of K2Cr2O7 is +6. option A,C,D are the oxidation state of other elements like O7,C14, etc.
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