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MHT CET Chemistry question

ChemistryElectrochemistryMHT CET

Two electrolytic cells are connected in series containing solution and molten . If in electrolysis moles of 'Cu' are deposited on cathode of first cell. The number of moles of 'Al' deposited on cathode of the second cell is [MHTCET 2019]

Answer: (B)

Solution

0.4 mol Cu needs 0.8 mol of electrons (Cu2+ + 2e-); the same charge through deposits 0.8/3 =

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Question ID VK-066980