1.

.4 sample of H_(2)O_(2) solution containing H_(2)O_(2) by weight requires x ml of KMnO_(4) solution for completed oxidation under acidic condition. The formality of KMnO_(4) solution is

Answer»

0.2 M
0.11 M
0.011 M
0.25 M

Solution :Meq of `H_(2)O_(2)` = meq of `KMnO_(4)`
`=(1XX(y//100))/("Eq.wt")xx1000`
Meq of `KMnO_(4)=N(y)=(1xx(y//100))/(34//2)xx1000`
`=N=(10)/(17)`
Molarity = `("Normality")/(5)=(10//17)/(5)=(2)/(17)=0.117M`


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