What is the oxidation number of the oxygen atom in the $O_2^{2-}$ ion?
- A$-3$
- B$-2$
- C$-5$
- D$-1$
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Which of the following pairs will have different oxidation numbers for oxygen?
Difficult
View SolutionCalculate the oxidation number of $Cr$ in $CrO_4^{2-}$ ion and $K_2Cr_2O_7$ respectively.
In $Pb_3O_4$, the different oxidation states of $Pb$ are:
The oxidation states of $P$ in $PO_4^{3-}$,$S$ in $SO_4^{2-}$,and $Cr$ in $Cr_2O_7^{2-}$ are respectively:
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View SolutionCarbon is in the lowest oxidation state in
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