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JEE Main Chemistry question

ChemistryRedox ReactionsJEE Main

How much water should be added to 1 mL of 1 M KMnO solution so that it is 0.5 N in a titration in acidic medium?

Answer: 9

Solution

In acidic medium, n-factor of KMnO, so the original normality N. Using

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Question ID VK-130723