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In which of the following reactions, H(...

In which of the following reactions, `H_(2)O_(2)` is acting as a reducing agent?

A

`SO_(2)+H_(2)O_(2) rarr H_(2)SO_(4)`

B

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

C

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

D

`Ag_(2)O+H_(2)O_(2) rarr 2 Ag +H_(2)O+O_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Oxidising nature
`SO_(2)+H_(2)O_(2) rarr H_(2)SO_(4)`
`2KI+H_(2)O_(2) rarr 2KOH+I_(2)`
`PbS+4 H_(2)O_(2) rarr PbSO_(4)+4 H_(2)O`
Reducing nature
`Ag_(2)O+H_(2)O_(2) rarr 2 Ag+H_(2)O+O_(2)`
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