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JEE Main Chemistry question

ChemistryGeneral Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

The mass of carbon anode consumed (giving only carbon dioxide) in production of 270 kg of aluminium metal from bauxite by the Hall process is (Atomic mass of Al=27)

Answer: 90

Solution

The overall anode reaction is , so g of Al is produced per g of carbon consumed.

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Question ID VK-138269