p-Block elementsHard

Question

SO₂ can reduce :

Options

A.HClO₃ to HCl

B.Cr₂O₇^2- / H⁺ to Cr³⁺

C.MnO₄^- / H⁺ to Mn²⁺

D.IO₃^- to I₂

Solution

SO₂ acts as reducing agent only in presence of strong oxidising agent.

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