When an ecidified solution of ferrous sulphiate is treated with potassium paramagnet solution, the ion which is oxidised is
A. `MnO_(4)^(-)`
B. `NH_(4)^(+)`
C. `Fe ^(3+)`
D. `SO_(4)^(2-)`

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Correct Answer - C
`Fe ^(2+)overset("oxidises")toFe^(3+)`

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