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JEE Main 201912 JanuaryMorning Shift
Exam
JEE Main
Year
2019
Date
12 January
Shift
Morning Shift
Subject
Chemistry
Chapter
General Principles and Processes of Isolation of Metals

JEE Main 2019 · 12 January · Morning Shift · Chemistry · General Principles and Processes of Isolation of Metals

In the Hall-Heroult process, aluminium is formed at the cathode....

In the Hall-Heroult process, aluminium is formed at the cathode. The cathode is made out of:

Options

  1. APlatinum
  2. BCarbon
  3. CCopper
  4. DPure aluminium

Correct answer

B. Carbon

Step-by-step solution

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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