Chlor Alkali Process


 
 
Concept Explanation
 

Chlor Alkali Process

Chlor -alkali process: When electricity is passed through an aqueous solution of sodium chloride, it decomposes to form sodium hydroxide, chlorine gas and hydrogen gas.

•    When electricity is passed through the solution of sodium chloride, it splits up into sodium ions and chloride ion.

•    Sodium ion combines with the hydroxyl ion of water to form sodium hydroxide.

•    Chloride ions lose electron at anode and form chlorine atom.

•    Two chlorine atoms combine to form a chlorine molecule. 

Cl + Cl rightarrow Cl_2

•    H of water gains electron at cathode and change into hydrogen atom.

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Sample Questions
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Question : 1

The aqueous solution of this substance will not conduct electric current ?

Right Option : C
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Question : 2

When electricity is passed through an aqueous solution of sodium chloride, it decomposes to form ________________________.

Right Option : D
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Question : 3

Which of the following gases is produced at the Anode in the chlor-alkali process?

Right Option : D
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