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JEE Main Chemistry question

ChemistryRedox ReactionsJEE Main

Volume of 0.1 M required to oxidise 35 mL of 0.5 M solution is

Answer: (A)

Solution

The ionic equation is Cr_2O_7^{2-}+6Fe^{2+}+14H^+\to 2Cr^{3+}+6Fe^{3+}+7H_2O, so 1 mol reacts with 6 mol . Moles of mol, so

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Question ID VK-142914