what is oxidation state of Fe in FeSO4
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- In ferrous sulfate, a polyatomic anion which has -2 charges is sulfate. Therefore, +2 charged iron is required to neutralize the -2 charge of sulfate ion. Hence, the oxidation state of Fe in Mohr salt is +2.
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The oxidation number of SO4 group is -2,
1 × (o.s. of Fe)+1 × (o.s. of S)+4 × (o.s. of O)=0
1 × (o.s. of Fe)+1(+6)+4(-2)=0
(O.s. of Fe) +6–8=0
O.s. of Fe =8–6
O.s.of Fe=+2.
oxidation state /oxidation number of Fe in FeSO4 is +2.
example is MgSO4.
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