Question

What will be the half-cell potential of a hydrogen electrode acting as an anode and dipped in a solution of $pH = 2$ ?

• A. $0\,V$
• B. $0.0196 \,V$
• C. $0.276\,V$
• D. None

Answer 1

Answer: (D)

None

Answer 2

$E=-\frac{2.303 RT}{F} pH$
$=-0.059\times2=-0.118$