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JEE Main Chemistry question

ChemistryRedox ReactionsJEE Main

The number of ions to be added to the left-hand side in order to balance the following reaction occurring in acidic medium is : MnO_4^-(aq)+Fe^{2+}(aq) \to Mn^{2+}(aq)+Fe^{3+}(aq)

Answer: 8

Solution

Balanced: MnO_4^-+5Fe^{2+}+8H^+ \to Mn^{2+}+5Fe^{3+}+4H_2O. The number of ions needed is 8.

Question ID VK-137173