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Question

Role of hydrogen peroxide iin the following reaction is respectively. (i)H2O2+O3H2O+2O2(ii)H2O2+Ag2O2Ag+H2O+O2

A
Oxidizinig in (i) and reducing in (ii)
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B
Oxidizing in (i) and (ii)
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C
Reducing in (i) and (ii)
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D
Reducing in (i) and oxidizing in (ii)
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Solution

The correct option is C Reducing in (i) and (ii)
In the reaction,
(a) H2O2+0O3H2O+2O2
Since, H2O2 reduces O3 into O2 ion, thus it behaves as a reducing agent. Further, in the reaction,
(b) H2O2+Ag2O2Ag+H2O+O2
Here, H2O2 reduces Ag2O into metallic silver [Ag] (as oxidation number is changing from +1 to 0). Thus, H2O2behaves as a reducing agent.
Hence, option (c) is correct.

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