1.

In the electrolysis of aqueous sodium chloride solution, which of the half cell reaction will occur at anode ?

Answer»

`Cl_((aq))^(-)to(1)/(2)Cl_(2)+e^(-),"" E_(cell)^(@)=1.36" volts"`
`2H_(2)O_((l))to O_(2)+4H^(+)+4e^(-) , E_(cell)^(@)=1.23" volts"`
`Na_((aq))^(+)+e^(-) toNa_((s)) , "" E_(cell)^(@)=-2.71" volts"`
`H_((aq))^(+)+e^(-) to (1)/(2)H_(2) , "" E_(cell)^(@)=0.00" volts"`

Solution :(a) It is the correct answer. For details, CONSULT section 3.15 (Electrolysis of aqueous NaCl solution).


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