Class 10 Chemistry Acids Bases Salts Sodium hydroxide

Sodium hydroxide

  • Passing electricity through brine solution (an aqueous solution of sodium chloride), it decomposes to give chlorine and sodium hydroxide.

  • The process is termed as the chlor-alkali process. The term chlor for chlorine and alkali for sodium hydroxide.
  • Chlorine gas is given off at the anode,
  • Hydrogen gas is given off at the cathode.
  • Sodium hydroxide solution is formed near the cathode.
  • The reaction that takes place is as follows:

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