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Question

What is the chlor-alkali process and why it is called so?


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Solution

Chlor-alkali process:

  • Chlor-alkali process is the one in which an electricity is passed through an aqueous solution of Sodium chloride or Brine(NaCl), which will decomposes to form Sodium hydroxide(NaOH).
  • It is called so because the products formed in this process are Chlorine(Cl2) and Sodium hydroxide.
  • Here in this process, the term chlor stands for the product Chlorine and alkali is for Sodium hydroxide.
  • The balanced chemical reaction of Chlor-alkali process can be written as:

2NaCl(aq)+2H2O(l)ā†’2NaOH(aq)+Cl2(g)+H2(g)(Sodiumchloride)(Water)(Sodiumhydroxide)(Chlorinegas)(Hydrogengas)


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