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JEE CHEMISTRY MCQ: PRACTICAL CHEMISTRY
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The presence of radical in solution can be detected by
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Correct option: D
Nessler's reagent
Option D (Nessler's reagent) is correct because Nessler's reagent (K₂HgI₄) reacts with ammonium ions (NH₄⁺) to form a brown precipitate, indicating the presence of ammonium ions.
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