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A 1.00 g sample of H(2)O(2) solution con...

A 1.00 g sample of `H_(2)O_(2)` solution containing X per cent `H_(2)O_(2)` by weight requires X mL of a `KMnO_(4)` solution for complete oxidation under acidic conditions. Calculate the normality of the `KMnO_(4)` solution.

A

0.588 N

B

0.294 N

C

0.882 N

D

0.735 N

Text Solution

Verified by Experts

The correct Answer is:
A
Redox changes are :
`Mn^(+7)+5e^(-)rarrMn^(2+)`
`O_(2)^(2-)rarrO_(2)+2e^(-)`
`:. ` Eq. wt. of `H_(2)O_(2)=(34)/(2)`
Now m.eq. of `KMnO_(4)=`m.eq. of `H_(2)O_(2)`
`N.(X)=(X)/(100xx34//2)xx1000`
N=0.588 N
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