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JEE Main Chemistry question

ChemistryRedox ReactionsJEE Main

When potassium permanganate is titrated against ferrous ammonium sulphate, the equivalent weight of potassium permanganate is:

Answer: (B)

Solution

In acidic medium, Mn changes from +7 to +2, a 5-electron change, giving eq. wt. molecular weight/5. The correct answer is option (B).

Question ID VK-137065