Question

1 mole of equimolar mixture of ferric oxalate and ferrous oxalate will require xmole of KMnO4 in acidic medium for complete oxidation, x isis:
a) 0.5 mole b) 0.9 mole c) 1.2 mole d) 4.5 mole

Answer 1

So you have 1/2 mol Fe2(C2O4)3 and 1/2 mol FeC2O4.

Write the reaction for the ferric salt in which just the C2O4 is oxidized to CO2.
Then write the reactiion for the ferrous salt in which ferrous is oxidized to ferric and the oxalate is oxidized to CO2. Then add the mols together from the two equations.

Answer 2

O.9

Answer 3

Yes