Find the oxidation number of the elements in the following compounds.
a. C in CO2
b. Mn in MnSO4
C. N in HNO3
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Answer:
In KMnO
4
, K is in +1 oxidation state, O is in -2 oxidation state Mn is present in +7 oxidation state.
In K
2
Cr
2
O
7
,K is in +1 oxidation state, O is in -2 oxidation state Cr is present in +6 oxidation state.
So Mn is present in highest oxidation state.
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