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Grade: 12
        Acidified KMnO4 can be decolorized by a:So2. b:H2O2 C:Feso4 d:fe2so4
one year ago

Answers : (2)

Pooja
17 Points
							Acidified KMnO4 can be decolorized by SO2.Potassium permanganate has a purple colour. Sulphur dioxide is a reducing agent. Potassium permanganate is an oxidizing agent. When sulphur dioxide reacts with potassium permanganate the solution decolourizes. colour changes from Purple to transparent(Colourless). Reason : Potassium permanganate gets reduces by sulphur dioxide.
						
one year ago
Suraj Singh
148 Points
							SO2 can decolourises acidic KMnO4...  The  colour of KMnO4 is Violet which changes to colourless..  It is a test of presence of SO2 gas ..  Hope U like it
						
one year ago
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