Calculate the potential of hydrogen electrode in contact with a solution whose pH is 10.
given pH=10
we known that pH=−log[H+]
⇒[H+]=10−10M
also for hydrogen electrode : Ecell=E0−0.05911log|H2||H+|
(no of electron included =1)
E=0
Ecell=−0.05911log(110−10)
Ecell=−0.591V