1.

In the extraction of chlorine by electrolysis of brine......

Answer»

oxidation of` CI^(-)` ion to chlorine gas occurs.
reduction of `Cl^(-)`ion to chlorine gas occurs.
for overall reaction `DeltaG^(@)` has negative value.
a displacement reaction TAKES place.

SOLUTION :oxidation of `Cl^(-)` ion to chlorine gas occurs. The chlorine is EXTRACTED from brine based on oxidation reaction. The FREE energy change of the reaction is +422 kJ. The Eo value is -2.2 V.


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