write the chemical equation of the reaction involved when a concentrated solution of sodium chloride (brine)is electrolysed?
Answers
Explanation:
1 Answer. (a) When a concentrated solution of sodium chloride is electrolysed, it decomposes to form sodium hydroxide, chlorine and hydrogen.
Answer:
When a concentrated solution of sodium chloride is electrolysed, it decomposes to form sodium hydroxide, chlorine and hydrogen. (b) Because of the products formed: Chlor for chlorine and alkali for sodium hydroxide. (c) Sodium hydroxide, chlorine and hydrogen. 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 oil.