(a). What is standard hydrogen electrode?
(b). Give the reactions that occurs at this electrode wen it acts as positive in an electrochemical cell.

What is standard hydrogen electrode ? Give the reaction that occurs at this electrode when it acts as a positive electrode in an electrochemical cell.

Standard hydrogen electrode (SHE) is a

Express standard Hydrogen electrode.

In case of a standard hydrogen electrode

What is the use of standard hydrogen electrode ?

What is the emf of a standard hydrogen electrode?

The standard hydrogen electrode is written in