Question:

The incorrect statement about Hall-Heroult process is :

Updated On: May 1, 2024
  • Carbon anode is oxidised to CO and CO2
  • Na3AlF6 helps to decrease the melting point of the electrolyte
  • CaF2 helps to increase the conductivity of the electrolyte
  • Oxidation state of oxygen changes in the overall cell reaction
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The Correct Option is D

Solution and Explanation

The correct answer is Option (D):Oxidation state of oxygen changes in the overall cell reaction
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