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Acidified potassium permanganate soultio...

Acidified potassium permanganate soultion is decoloursied by

A

Bleaching powder

B

White vitriol

C

Mohr's slat

D

Microcosmic salt

Text Solution

Verified by Experts

The correct Answer is:
C
Mohr's salt.
`2KMnO_(4) + 8H_(2) SO_(4) + 10 FeSO_(4) rarr `
`K_(2) SO_(4) + 2 MnSO_(4) + 5Fe_(2) (SO_(4))_(3) + 8 H_(2) O`
Mohr's salt decolourises `KMnO_(4)` by reducing `Mn^(+7)` ions to `Mn^(+2)` ions.
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