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JEE Main 2014 Chemistry question

ChemistryElectrochemistryJEE Main 2014

How many electrons would be required to deposit 6.35 g of copper at the cathode during the electrolysis of an aqueous solution of copper sulphate? (Atomic mass of copper = 63.5u, = Avogadro's constant):

Answer: (3)

Solution

Moles of copper . Since $ + →

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Question ID VK-104572