Question

What is chlor-alkali process ? why it is named so? write down the reaction involved in this process ?

Answer 1

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Here We are going to discuss What is Chlor alkali process and why it is named so and the reaction involved in this Process

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What is Chlor-alkali Process ?

• When electricity is passed through an aqueous Solution of Sodium Chloride i.e. Nacl ( called brine) , it decomposes to form Sodium hydroxide

• The process is called the Chlor-alkali process

• In this process Chlorine gas is given off at the anode

• Hydrogen gas at the Cathode

• Sodium hydroxide Solution is formed near the cathode

• The three product formed in this process i.e. Sodium hydroxide , hydrogen and Chlorine gas  are all useful to us

• Hydrogen gas at cathode use for fuels and ammonia for fertilisers

• While Chlorine gas at anode use for Water treatment , PVC and pesticides

• Sodium hydroxide is use for Soaps and Detergents and paper making

• If we take reaction between hydrogen and Chlorine it also formed a product is useful

         $H_2 + Cl_2 -> 2HCl$  

• Hydrochloric acid is use for Cleaning Steel , Medicines etc .

• If We take Sodium hydroxide and Chlorine it gives us BLEACH

• BLEACH is use for Household bleaches and beaching fabric

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The process is named Chlor-alkali process due to the reason as below :

• The process is named as Chlor-alkali process because of the product formed -Chlor for Chlorine and alkali for Sodium hydroxide

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The Reaction involved in this Process is

$2Nacl(aq) + 2H_2O(l)  -> 2NaOH (aq) + Cl_2 (g) + H_2 (g)$

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Answer 2

Answer:

Explanation:

The process is called the chlor-alkali alkali process because of the products formed: chlor for chlorine and alkali for Sodium Hydroxide. Chlorine gas is given off at the anode and hydrogen gas at the cathode. An aqueous solution of sodium chloride is called brine.