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Question: Answered & Verified by Expert
The following are some of the methods commonly employed for the extraction of metals from their ores. Which of the following methods is generally employed for the extraction of sodium?
ChemistryGeneral Principles and Processes of Isolation of MetalsNEET
Options:
  • A Reduction of an oxide with coke
  • B Electrolysis of an aqueous solution of a chloride
  • C Electrolysis of a molten chloride containing CaCl2
  • D Reduction of a chloride with more reactive metal
Solution:
1757 Upvotes Verified Answer
The correct answer is: Electrolysis of a molten chloride containing CaCl2
Sodium metal, being strong reducing agent, is obtained by electrolytic reduction of molten chloride containing CaCl2 in order to lower m.p. of the molten chloride.

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