Multiple ChoiceIn the process of electrolysis, where does the splitting of water and the generation of oxygen occur?202views
Multiple ChoiceWhich of the following molecules is a source of electrons donated to the electron transport chain in cellular respiration?212views
Multiple ChoiceIn which of the following reactions does the oxidation number of hydrogen change?25views
Multiple ChoiceIn a redox reaction, which answer best describes the reducing and oxidizing processes?260views
Multiple ChoiceIn the electrochemical cell based on the reaction Zn(s) + Cu^{2+}(aq) → Zn^{2+}(aq) + Cu(s), which of the following correctly lists the half-reactions occurring at the anode and cathode?20views
Multiple ChoiceIn the redox reaction Zn + Cu^{2+} → Zn^{2+} + Cu, is the reaction shown an oxidation for zinc?22views