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JEE Main Chemistry question

ChemistryRedox ReactionsJEE Main

The mass of potassium dichromate crystals required to oxidise 750 cm of 0.6 M Mohr's salt solution is (Given, molar mass: Potassium dichromate = 294, Mohr's salt = 392)

Answer: (C)

Solution

Millimoles Fe , i.e. 0.45 mol. Since 6 mol Fe react per mole of CrO, moles KCrO

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Question ID VK-130538