Calculate the potential of hydrogen electrode in contact with a solution whose pH is 10.
Given:
For hydrogen electrode, pH = 10
n = 1
(n = moles of e- from balanced redox reaction)
On using the formula [H+] = 10– pH
⇒ [H+] = 10 − 10 M
We know,
Here, E0 = 0
P[H2] = 1
⇒
⇒
⇒
⇒
⇒