In acidic medium one mole KMnO4can oxidize Y moles of FeC2O4. Value of Y is
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answer is 3.
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Detailed Solution
MnO4-→Mn+2; +7 +2; n-factor=5; In ferrous oxalate both ferrous ion and oxalate ion get oxidized; Fe+2→Fe+3( increase in ox.state=1); C2+3O4-2→C+4O2(total increase in ox.state=2); n-factor=3; Thus 3 moles of KMnO4 can oxidize 5 moles of FeC2O4;