ElectrochemistryHard
Question
The oxidation number of Cr in K2Cr2O7 is :
Options
A.+ 3
B.- 3
C.+6
D.-6
Solution
oxidation number of Cr in K2 Cr2O7
2 + 2 × x - 2 × 2 = 0
x =
= + 6
2 + 2 × x - 2 × 2 = 0
x =
= + 6Create a free account to view solution
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