1.

10mL of a solution of H_2 O_2of 10 volume strength decolourises 100mL of KMnO_4solution acidified with dil H_(2)SO_(4)The amount of KMnO_4in the given solution is

Answer»

0.282g
0.564g
1.128g
0.155g

SOLUTION :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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