1.

Which is/are not the true statement(s) about KMnO_(4)?

Answer»

Its SOLUTION is unstable in acidic medium
It gets reduced to `MnO_(2)` in neutral medium
`MnO_(4)^(-)` changes to `Mn^(2+)` in basic medium
It is a self INDICATOR in `FeSO_(4)` and oxalic acid titrations.

Solution :`MnO_(4)^(-)` changes to `Mn^(2+)` in acidic medium
`MnO_(4)^(-)+8H^(+)+5e^(-) to Mn^(2+)+4H_(2)O`.


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