1.

Acidified permanganate solution does not oxidise:

Answer»

`C_(2)O_(4)^(2-)` (aq.)
`NO_(3)^(-)` (aq.)
`S^(2-)` (aq.)
`F^(-)`(aq.)

SOLUTION :Practically `F^(-)` ION beinga very R.A has no reducing property.


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