Q.
The oxidation numbers of Fe and S in iron pyrites are
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a
3, -1
b
2, -1
c
3, -1.5
d
4, -2
answer is B.
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Detailed Solution
Formula of Iron pyrites is FeS2, In this ‘Fe’ is in Ferrous state.∴The oxidation number of Fe and S in iron pyrites are respectively +2, -1.
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