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Question: Answered & Verified by Expert
In the Hall-Heroult process, aluminium is formed at the cathode. The cathode is made out of:
ChemistryGeneral Principles and Processes of Isolation of MetalsJEE MainJEE Main 2019 (12 Jan Shift 1)
Options:
  • A Platinum
  • B Carbon
  • C Copper
  • D Pure aluminium
Solution:
2050 Upvotes Verified Answer
The correct answer is: Carbon

The electrolytic cell which is used for extraction of aluminium is a steel vessel. The vessel is lined with carbon, which acts as cathode and graphite is used at the anode.

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