NEET 2008 Chemistry question

Number of moles of required to oxidize one mole of ferrous oxalate completely in acidic medium will be

Answer: (2)

Solution

In ferrous oxalate, : (1 electron) and (2 electrons). So each mole of loses 3 mol of electrons. 4^-5e^-$ → Mn^{2+}

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Question ID VK-090009