eng Science and Education Publishing World Journal of Chemical Education 2375-1657 2023-09-27 11 3 114 120 10.12691/wjce-11-3-15 WJCE202311315 article Dominik Quarthal 1 Marco Oetken marco.oetken@ph-freiburg.de 1 Department of Chemistry, Physics, Technology and their teaching methodologies, University of Education Freiburg, Kunzenweg 21, 79117 Freiburg, Germany, The following article is intended to highlight the importance and usefulness of bipolar electrochemistry for science and for school and university teaching. In addition, a suitable explanation of the phenomena that take place on the basis of bipolar electrochemistry will be presented and visualised and confirmed by means of the different colours of the oxidation states of polypyrrole. http://pubs.sciepub.com/wjce/11/3/15/wjce-11-3-15.pdf bipolar electrochemistry polymers polypyrrole water electrolysis