Multiple ChoiceWhich of the following chemical reactions is an oxidation-reduction (redox) reaction?4views
Multiple ChoiceWhich of the following half-reactions correctly describes an oxidation process?59views
Multiple ChoiceWhich type of reaction involves the removal of electrons from an atom or molecule?43views
Multiple ChoiceIn the context of redox reactions, what species accepts electrons in the final step of the electron transport chain?346views
Multiple ChoiceIn a redox reaction occurring in aerobic respiration, what is the final electron acceptor?317views
Multiple ChoiceWhich of the following describes what takes place when iron (Fe^0) is oxidized to Fe^{2+} ions?51views
Multiple ChoiceIn a balanced chemical equation for a redox reaction, do free electrons appear on either side of the equation?39views