Assertion (A) In the electrolysis of aqueous NaCl, Na is preferentially discharged at the mercury cathode forming sodium amalgam. Reasons (A) It is due to the fact that hydrogen has a high over voltage at mercury cathode.

Assertion (A) In the electrolysis of aqueous NaCl, Na is preferentiall

1.	Assertion (A) In the electrolysis of aqueous NaCl, Na is preferentially discharged at the mercury cathode forming sodium amalgam. Reasons (A) It is due to the fact that hydrogen has a high over voltage at mercury cathode.
Answer» SOLUTION :REFER A-level INFORMATION.