Q.

A 1 g sample of H2O2 solution contains x% by mass and requires x mL of KMnO4 in acidic solution for complete oxidation. The normality of KMnO4 is:

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a

0.58

b

0.116

c

0.25

d

0.3

answer is A.

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Detailed Solution

Eq. KMnO4=EqH2O2⇒N×x×10−3=1×x10034/2⇒N=0.58
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A 1 g sample of H2O2 solution contains x% by mass and requires x mL of KMnO4 in acidic solution for complete oxidation. The normality of KMnO4 is: