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JEE Main Chemistry question

ChemistryRedox ReactionsJEE Main

20 mL of 1 M MnO are required in acidic medium and 100 mL of 1 M MnO are required in neutral medium for a redox titration of the same sample. If MnO is reduced to Mn in acidic medium, oxidation number of Mn in the reduced species in neutral medium is

Answer: 6

Solution

Total equivalents of the reductant (constant across both titrations) meq (acidic, n-factor 5). In neutral medium, $100×1×

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Question ID VK-130745