Question:

Sodium is made by the electrolysis of a molten mixture of about 40% NaCl and 60% $CaCl_2$ because

Updated On: May 2, 2024
  • $Ca^{2+}$ can reduce NaCl to Na
  • $Ca^{2+}$ can displace Na from NaCl
  • $CaCl_2$ helps in conduction of electricity
  • this mixture has a lower melting point than NaCl
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The Correct Option is D

Solution and Explanation

The melting point of sodium chloride is high, so to reduce the melting point of NaCl some $CaCl_2$ is added to the electrolytic mixture.
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