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NEET Chemistry
QUESTION #7374
Question 1
In the reactions (a) \(\text{H}_2\text{O}_2 + \text{O}_3 \to \text{H}_2\text{O} + 2\text{O}_2\) and (b) \(\text{H}_2\text{O}_2 + \text{Ag}_2\text{O} \to 2\text{Ag} + \text{H}_2\text{O} + \text{O}_2\), the role of hydrogen peroxide is respectively:
Correct Answer Explanation
Reaction (a): \(\text{H}_2\text{O}_2\) is oxidised to \(\text{O}_2\) (oxygen goes from \(-1\) to \(0\) oxidation state) → \(\text{H}_2\text{O}_2\) acts as reducing agent
Reaction (b): \(\text{Ag}_2\text{O}\) is reduced to Ag (\(\text{Ag}^+\) → \(\text{Ag}^0\)) while \(\text{H}_2\text{O}_2\) provides oxygen → \(\text{H}_2\text{O}_2\) acts as oxidising agent
\(\text{H}_2\text{O}_2\) is amphoteric (can act as both oxidant and reductant depending on partner).
Reaction (b): \(\text{Ag}_2\text{O}\) is reduced to Ag (\(\text{Ag}^+\) → \(\text{Ag}^0\)) while \(\text{H}_2\text{O}_2\) provides oxygen → \(\text{H}_2\text{O}_2\) acts as oxidising agent
\(\text{H}_2\text{O}_2\) is amphoteric (can act as both oxidant and reductant depending on partner).
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