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Most Important Selected Qs for JEE AdvancedChemistryGeneral Principles and Processes of Isolation of Metals

The role of fluorspar, which is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite is

Options

  1. Aas a catalyst
  2. Bto make fused mixture conducting
  3. Cto lower the melting temperature of the mixture
  4. Dto decrease the rate of oxidation of carbon at anode

Correct answer

C. to lower the melting temperature of the mixture

Step-by-step solution

Among the given statements (b) and (c) are correct these are the facts.

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