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Question

A bottle of H2O2 is labelled as 10 vol H2O2. 112 mL of this solution of H2O2 is titrated against 0.04 M acidified solution of KMnO4. The volume of KMnO4 (in L) is :

A
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B
2
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C
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D
4
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Solution

The correct option is A 1
5.6 V H2O2=1 N
10 V H2O2=105.6N
Milliequivalents of H2O2= Milliequivalents of MnO4
105.6×1120.04×5 (n factor) ×V
V1000 mL =1 L

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