Respuesta :
In all applications of the hydrogen electrode under standard circumstances, the metal hydrogen gas is formed.
What is hydrogen electrode?
Redox half cell is the foundation of the hydrogen electrode: 2 H+(aq) + 2 e− → H2 (g) A platinum electrode with platinization is the site of this redox process. Pure hydrogen gas is bubbled through the electrode after it has been immersed in an acidic solution. Both the reduced form and the oxidised form's concentration are kept at unity. An electrode with an assigned potential of zero to which all other electrode potentials are referred for comparison is typically made of platinum black on platinum and is over which a stream of hydrogen is bubbled when certain conditions are met.
What is the use of hydrogen electrode?
For measurements of electrode potential, the hydrogen electrode is utilised as a reference. It is the most significant electrode for usage in aqueous solutions, theoretically. The reversible hydrogen electrode displays a potential that is thought to be zero at all temperatures in a solution of hydrogen ions with unit activity. Hydrogen is declared to have zero standard electrode potential.
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