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NEETChemistryGeneral Principles and Processes of Isolation of Metals

Which of the following best explains the role of cryolite in the metallurgy of aluminium?

Options

  1. ACryolite acts as a reducing agent.
  2. BCryolite increases the electrical conductivity of the electrolyte.
  3. CCryolite lowers the melting point of alumina.
  4. DCryolite prevents the formation of impurities during the electrolytic process.

Correct answer

C. Cryolite lowers the melting point of alumina.

Step-by-step solution

Correct Option is : (C) Cryolite lowers the melting point of alumina.

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