Question:
In the extraction of chlorine by electrolysis of brine ____________.
(i) oxidation of Cl– ion to chlorine gas occurs.
(ii) reduction of Cl– ion to chlorine gas occurs.
(iii) For the overall reaction, ∆Gᶱ has a negative value.
(iv) a displacement reaction takes place.
Solution:
Option (iii) is the answer.