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10mL of a solution of H2 O2 of 10 volum...

10mL of a solution of `H_2 O_2` of 10 volume strength decolourises 100mL of `KMnO_4` solution acidified with dil `H_(2)SO_(4)` The amount of `KMnO_4` in the given solution is

A

0.282g

B

0.564g

C

1.128g

D

0.155g

Text Solution

Verified by Experts

The correct Answer is:
B
Normality of `H_2O_2=10/(5.6)`
`w/(EW) =(NxxV(ml))/1000`
`w/(31.6)=(10xx10)/(5.6 xx1000)implies w = 0.564` g
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