Acidified KMnO_4 can be decolourised by - Vidyadip

MCQ

Acidified $KMnO_4$ can be decolourised by

A
$SO_2$
B
$H_2O_2$
C
$FeSO_4$
✓
All of the above

✓

Answer

Correct option: D.

All of the above

d
$KMnO _4$ can oxidize $SO _2, H _2 O _2$ andF e. Fe is in $+3$ state in $FeCl _3$ so it can't be further oxidized.

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