Question

What is the role of platinised platinum in normal hydrogen electrode?

Answer 1

Platinum is used because it can easily adsorb hydrogen as well as being inert metal does not participates in redox reaction during working of cell.

Answer 2

$ASSALAMUALAIKUM$

platinum is a inert electrode,thus it do not participate in the cell reaction but provide a surface or platform for oxidation and reduction reaction. It also helps in conduction of electrons.

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