1.

In which reaction H_2O_2acts reducing agent ?

Answer»

`Ag_(2)O +H_2O_2 + 2AG + H_(2)O + O_2`
`2KI + H_(2)O_(2) rarr 2KOH + I_2`
` PbS + 4H_2O_ 2rarrPbSO_4 + 4H_2O`
`H_2O_2 +SO_2 rarr H_(2)SO_4`

Solution :In REDUCTION reactions of `H_2O_2,O_2` is liberated


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