JEE Main 2017 Chemistry question

In which of the following reactions, hydrogen peroxide acts as an oxidizing agent?

(1)
(2)
(3)Correct
(4)

Answer: (3)

Solution

In oxygen is in the intermediate oxidation state , so the molecule can go either way. It acts as an **oxidizing agent** when it is itself reduced, i.e. when its oxygen goes to (forming or ); it acts as a **reducing agent** when its oxygen is oxidised to

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Question ID VK-115803