In which of the following reaction hydro...

In which of the following reaction hydrogen peroixde is a reducing agent?

A

`PbO_(2(g))+H_(2)O_(2)(aq) rarr PbO_((s))+H_(2)O_((l))+O_(2(g))`

B

`Na_(2)SO_(3(aq))+H_(2)O_(2(aq)) rarr Na_(2)SO_(4(aq))+H_(2)O_((l))`

C

`2KI(aq)+H_(2)O_(2(aq)) rarr 2KOH(aq)+I_(2(s))`

D

`KNO_(2(aq))+H_(2)O_(2(aq)) rarr KNO_(3(aq))+H_(2)O_((l))`

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The correct Answer is:

A

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