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JEE Main Chemistry question

ChemistryElectrochemistryJEE Main

Small quantities of solutions of compounds , and are put into separate test tubes containing , and solutions. does not react with any of these. reacts with both and . reacts with . The decreasing order of ease of oxidation of the anions , , is

Answer: (A)

Solution

Since displaces both and from their salts (and displaces only , while displaces neither), the order of (reduction/electrode) potential of the

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Question ID VK-143602