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Question

Suggest A List Of Metals That Are Extracted Electrolytically


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Solution

Metals that are extracted electrolytically

  • The metals that are on the top of the reactivity series are extracted electrolytically.
  • These include sodium, potassium, calcium, lithium, magnesium, and aluminum.

Extraction of metals :

  • Sodium: Electrolytic reduction of molten or fused sodium chloride.
  • Potassium: Electrolysis of potassium ore in its molten state.
  • Calcium: Electrolysis of fused calcium chloride.
  • Lithium: Membrane electrolysis of brine.
  • Magnesium: Pidgeon process by which thermal reduction of magnesium oxide is done.
  • Aluminum: Hall - Heroults process in which aluminum ore is treated with Sodium hydroxide.

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