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In which of the following reactions, hyd...

In which of the following reactions, hydrogen peroxide acts as an oxidizing agent ?

A

`PbS + 4H_(2) O_(2) ? PbSO_(4) + 4H_(2)O`

B

`2MnO_(4)^(-) + 3H_(2)O_(2) ? 2MnO_(2) + 3O_(2) + 2H_(2)O + 2OH^(-)`

C

`I_(2) + H_(2)O_(2) + 2OH^(-) ? 2I^(-) + 2H_(2)O_(2) + O_(2)`

D

`HOCl + H_(2)O_(2) ? H_(3)O^(+) ? H_(3)O^(+) + Cl^(-) + O_(2)`

Text Solution

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The correct Answer is:
A
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