Question

state what happens when a concentrated solution of sodium chloride (brine) is electrolysed. Name the process. Write the equation of the reaction involved. Write the names of products obtained. Mention one use of each product

Answer 1

Process : Chlor-alkali process
Equation : NaCl + $H_{2}$O ---------- NaOH + $H_{2}$ + $Cl_{2}$
Products : Sodium Hydroxide , Chlorine Gas and Hydrogen Gas
Uses : Sodium Hydroxide = Manufacture of paper
           Chlorine = In Cleansing
           Hydrogen = Manufacture of HCl