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In which of the following reactions, H(2...

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

A

`PbO_(2)(s)+H_(2)O_(2)(aq) to PbO(s)+H_(2)O(l)+O_(2)(g)`

B

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

C

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

D

All the above

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In which of the following reaction H_(2)O_(2) acts as reducing agent :-

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Hydrogen peroxide is a powerful oxidising agent, both in the acidic and alkaline medium. In acidic medium: H_(2)O_(2)+2H^(o+)+2e^(ɵ)to2H_(2)O In alkaline medium: H_(2)O_(2)+2e^(ɵ)to2overset(Theta)(O)H Hydrogen peroxide acts as a reducing agent towards powerful oxidising agents. In acidic medium: H_(2)O_(2)to2H^(o+)+O_(2)+2e^(ɵ) In alkaline medium, however, its reducing nature is more effective. H_(2)O_(2)to2H^(o+)+O_(2)+2e^(ɵ) In which of the following reactions, H_2O_2 act as a reducing agent?

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VMC MODULES ENGLISH-13-14 HYDROGEN & S-BLOCK ELEMENT-Level 1
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