Questions  

Acidified potassium permanganate solution is decolourised by

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By Expert Faculty of Sri Chaitanya
a
Bleaching powder
b
White vitriol
c
Mohr's salt
d
Microcosmic salt
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detailed solution

Correct option is C

Mohr's salt.2KMnO4+8H2SO4+10FeSO4→K2SO4+2MnSO4+5Fe2SO43+8H2OMohr's salt decolourises KMnO4 by reducing Mn+7 ions to Mn+2 ions.

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Similar Questions

Statement 1: In acid solution, permanganate is reduced to Mn2+ by an excess of reducing agent.

Statement 2: MnO4 reduced in Mn2+ in acidic medium and the product in the presence of an excess of permanganate is MnO2.

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