concentrated solution of sodium chloride is known as
Answers
Answer:
Brine is concentrated. aqueous sodium chloride. A solution of sodium chlorate(I), commonly used as bleach, can be made by mixing which two.
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