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(a) Following reactions occur at cathode during the electrolysis of aqueous sodium chloride solution:Na+(aq) + e-1 ——-> Na(s)                                        E° = – 2.71 VH+(aq) + e-1 ——–> 1/2H2(s)                                  E° = 0.00 VOn the basis of their standard reduction electrode potential (E°) values, which reaction is feasible at the cathode and why?(b) Why does the cell potential of mercury cell remain constant throughout its life?

(a) Following reactions occur at cathode during the electrolysis of aqueous sodium chloride solution:Na+(aq) + e-1 ——-> Na(s)                                        E° = – 2.71 VH+(aq) + e-1 ——–> 1/2H2(s)                                  E° = 0.00 VOn the basis of their standard reduction electrode potential (E°) values, which reaction is feasible at the cathode and why?(b) Why does the cell potential of mercury cell remain constant throughout its life?

Physical Chemistry
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter8: Electrochemistry And Ionic Solutions
Section: Chapter Questions
Problem 8.10E: For each of the following reactions, determine the overall balanced electrochemical reaction, its...
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(a) Following reactions occur at cathode during the electrolysis of aqueous sodium chloride solution:
Na+(aq) + e-1 ——-> Na(s)                                        E° = – 2.71 V
H+(aq) + e-1 ——–> 1/2H2(s)                                  E° = 0.00 V
On the basis of their standard reduction electrode potential (E°) values, which reaction is feasible at the cathode and why?
(b) Why does the cell potential of mercury cell remain constant throughout its life?

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