1.

For decolourisation of 1 mol of KMnO_4 the number of moles of H_2O_2 used is

Answer»

`1/2`
`3/2`
`5/2`
`7/2`

Solution :`2KMO_4+5H_2O_2 +3H_(2)SO_(4) RARR K_(2)SO_(4) +2MnSO_(4)+8H_(2)O+5O_2`


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