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Question

Which one of the following is reduced by hydrogen peroxide in acid medium?

A
Potassium permanganate
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B
Potassium iodide
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C
Ferrous sulphate
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D
Potassium ferrocyanide
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Solution

The correct option is A Potassium permanganate
H2O2 reduce acidified KMnO4 solution. As a result. The pink colour of KMnO4 is changed .

2KM+7nO4+5H2O2+3H2SO45O2+2M+2nSO4+K2SO4+8H2O

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