JEE Main Chemistry question

In which of the following reactions hydrogen peroxide is a reducing agent?

(A)HSO + HO → HSO + HO
(B)2HI + HO → 2HO + I
(C)2FeCl + 2HCl + HO → 2FeCl + 2HO
(D)Cl + HO → 2HCl + OCorrect

Answer: (D)

Solution

In (A), (B) and (C), HO oxidises sulphurous acid, iodide ion and Fe respectively (its own oxygen being reduced from to ), so it behaves as an oxidising agent in each. In (D), chlorine (oxidation

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Question ID VK-137265