Chemistry, asked by ahmadtausif2004, 2 months ago

write the chemical equation of the reaction involved when a concentrated solution of sodium chloride (brine)is electrolysed​

Answers

Answered by shruti3849
1

Answer:

(a) When a concentrated solution of sodium chloride is electrolysed, it decomposes to form sodium hydroxide, chlorine and hydrogen.

Sodium chloride (Brine)

2NaCl(aq)

+

water

2H

2

O(l)

Electricity

Electrolysis

Sodium hydroxide (caustic soda)

2NaOH(aq)

+

Chlorine

Cl

2

(g)

+

Hydrogen

H

2

(g)

(b) The electrolysis of a concentrated solution of sodium chloride known as chlor-alkali process because of the products formed: Chlor for chlorine and alkali for sodium hydroxide.

(c) Sodium hydroxide, chlorine and hydrogen are three products of the chlor-alkali process.

Uses of Sodium hydroxide:

(i) It is used for making soaps and detergents.

(ii) It is used in the manufacture of paper.

Uses of chlorine:

(i) It is used in the production of bleaching powder.

(ii) It is used in the production of hydrochloric acid.

Uses of hydrogen:

(i) It is used in the production of hydrochloric acid.

(ii) It is used in the hydrogenation of oils.

Answered by anaghpadgavhankar
0

Answer:

PLZ MARK AS BRAINLY

Explanation:

(a) When a concentrated solution of sodium chloride is electrolysed, it decomposes to form sodium hydroxide, chlorine and hydrogen.

     

Sodium chloride (Brine)

2NaCl(aq)

​  

+  

water

2H  

2

​  

O(l)

​  

 

Electricity

Electrolysis

​  

 

Sodium hydroxide (caustic soda)

2NaOH(aq)

​  

+  

Chlorine

Cl  

2

​  

(g)

​  

+  

Hydrogen

H  

2

​  

(g)

​  

 

(b) The electrolysis of a concentrated solution of sodium chloride known as chlor-alkali process because of the products formed: Chlor for chlorine and alkali for sodium hydroxide.

(c) Sodium hydroxide, chlorine and hydrogen are three products of the chlor-alkali process.  

Uses of Sodium hydroxide:  

  (i) It is used for making soaps and detergents.  

  (ii) It is used in the manufacture of paper.

Uses of chlorine:  

   (i) It is used in the production of bleaching powder.  

   (ii) It is used in the production of hydrochloric acid.

Uses of hydrogen:  

  (i) It is used in the production of hydrochloric acid.

  (ii) It is used in the hydrogenation of oils.

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