Question

S. When an electric current is passed through an aqueous solution of Sodium Chloride.
a) The pH of the solution progressively decreases
b) The pH of the solution progressively increases
c) The pH does not change
d) A change in pH can be predicted only iſ the concentration the solution and the
strength of the current are known.

Answer 1

Explanation:

when electrolysis of aqueous NaCl takes place one of the product formed is NaOH

as it is basic ph of the solution decreases progressively