In which of the following reactions H2O2 acts as a reducing agent?
i. H2O2+2H⊕+2e⊖→2H2O
ii. H2O2−2e⊖→O2+2H⊕
iii. H2O2+2e⊖→2OH⊖
iv. H2O2+2OH⊖−2e⊖→2H2O (IIT-JEE-2014)
A
i
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B
ii
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C
iii
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D
iv
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Solution
The correct option is D iv A reducing agent loses electrons during redox reaction.
Hence (B, D) is correct.