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MHT CET Chemistry question

ChemistryElectrochemistryMHT CET

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

Answer: (B)

Solution

Q = 4.0 × 10 × 6 × 3600 = 8.64 × 10 C; mass = g ≈

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Question ID VK-066914