What is E° for electrode represented by Pt, H2(1 atm.)/2H+(1 M)

Question

What is E° for electrode represented by Pt, H2(1 atm.)/2H+(1 M)  (A) unpredictable (B) zero (C) 0.018 V (D) 0.118 V

Tardigrade Admin · Accepted Answer

The standard electrode potential of standard hydrogen electrode (SHE) has been arbitrarily taken to be equal to zero. Electrode potential of other elements are calculated in respect to SHE.

Q. What is E∘ for electrode represented by Pt,H2​(1atm.)/2H+(1M)

unpredictable

zero

0.018 V

0.118 V

The standard electrode potential of standard hydrogen electrode (SHE) has been arbitrarily taken to be equal to zero. Electrode potential of other elements are calculated in respect to SHE.

Q. What is $E^{\circ}$ for electrode represented by $Pt, H_{2} (1 a t m .) /2 H^{+} (1 M)$