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NEET
Exam
NEET
Subject
Chemistry
Chapter
s Block Elements

NEET · Chemistry · s Block Elements

How is sodium hydroxide generally prepared commercially?

How is sodium hydroxide generally prepared commercially?

Options

  1. ABy heating sodium metal with oxygen
  2. BBy the reaction of sodium with water
  3. CBy the electrolysis of sodium chloride in a Castner-Kellner cell
  4. DBy the combination of sodium and chlorine gas

Correct answer

C. By the electrolysis of sodium chloride in a Castner-Kellner cell

Step-by-step solution

Sodium hydroxide is generally prepared commercially by the electrolysis of sodium chloride in a Castner-Kellner cell.
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