What change will occur during the electrolysis of brine using carbon electrodes?
-
A.
Chlorine will be given off at the cathode -
B.
Oxygen gas will be given off at the anode -
C.
Sodium will be deposited at the cathode -
D.
The resulting solution, after electrolysis, will be acidic. -
E.
The volumes of hydrogen and chlorine given off during the same time are equal
Correct Answer: Option A
Explanation
Chlorine is discharged as follows:
(Cl^- to Cl + e^-)
(Cl + Cl to Cl_{2(g)})
This reaction occurs at the anode.