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NEET 2009 Chemistry question

ChemistryElectrochemistryNEET 2009

is reduced by electrolysis at low potentials and high currents. If amperes of current is passed through molten for 6 hours, what mass of aluminium is produced? (Assume 100% current efficiency. At. mass of Al = 27 g mol)

Answer: (1)

Solution

Charge passed . The cathode reaction is , so 3 F ( C) deposit 27 g of Al. Mass of Al \dfrac${27 × 8.64

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Question ID VK-090305