32.Which of the following comprises a standard hydrogen electrode? [A] a copper electrode coated with carbon black [B] an iron electrode coated with platinum black [C] a platinum electrode coated with platinum black [D] a gold electrode coated with carbon black Show Answer
When Hydrogen gas at 1 atm-pressure is adsorbed over platinum electrode dipped in 1M HCl at 25oC, it is standard hydrogen electrode and its potential is, E0=±0 volt.
