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Question

For decolourisation of 1.5 moles of KMnO4 in acidic medium the moles of H2O2 requires:

A
32
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B
94
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C
154
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D
214
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Solution

The correct option is B 94
2KMnO4+3H2O22MnO2+3O2+2KOH+2H2O
2 moles of KMnO43 moles of H2O2
1.5 moles of KMnO43×1.52 moles of H2O2
94 moles of H2O2

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