ion to chlorine gas occurs
(b) reduction
of ion to chlorine gas occurs
(C) for
overall reaction 
has negative value
(D) a displacement
reaction takes place
Answer:
(a) Following
reaction takes place in the extraction of chlorine by electrolysis
From the
above reaction it is very clear that the oxidation of 
ion
to chlorine gas occurs Thus, option (a) is the correct answer.
for this reaction is +422KJ.
Therefore, thermodynamically reaction i3 not feasible,
We know that
By using
this equation value of £° can be calculated. Thus,
Therefore for the
occurrence of this reaction, external potential (emf) greater than 2.2V is
required. Due to this fact (c) is not the correct option.
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