Teaching UP PGT Mock Test Series 2024 Chemistry Electrochemistry Electrochemical Cells and Its Applications
Hydrogen electrode is prepared by dipping the electrode in a solution of PH = 3 at 25 degree centigrade. The potential of the electrode at this PH is
1
+ 0.177 V
2
– 0.177 V
3
–1.77 V
4
+ 1.77 V