Multiple choice

In an electrochemical cell, an electrode is of two types (anode & cathode). Which of the following electrodes is a conjunction of a solid, liquid and gaseous interface?

  1. Cellulose electrode

  2. Auxiliary electrode

  3. Clark electrode

  4. Gas diffusion electrodes

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Gas diffusion electrodes (GDE) are electrodes with a conjunction of a solid, liquid and gaseous interface, and an electrical conducting catalyst supporting an electrochemical reaction between the liquid and the gaseous phase.