Caustic Soda is made by electrolysis of a concentrated solution of NaCl in:
Correct answer: D. All of these
- A. Nelson's Cell
- B. Hg - Cell
- C. Castner Kellner Cell
- D. All of these
Explanation
Nelson's cell is an electrolytic cell that consists of a rectangular steel tank that is divided into compartments. It uses NaCl as an electrolyte to produce caustic soda. Hence, this option is true. Hg-cell is also an electrolytic cell that has a mercury cathode and uses concentrated NaCl as an electrolyte to make caustic soda. Hence, this option is also true. The Castner-Kellner cell is another type of electrolytic cell in which a concentrated NaCl solution is electrolyzed using a mercury cathode to produce caustic soda. Hence, this option is true. As all of these cells can be used to make caustic soda, the D option will be marked as the correct option.
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