select the correct answer. what is the key characteristic of an oxidation - reduction reaction? a…

select the correct answer. what is the key characteristic of an oxidation - reduction reaction? a. electricity is gained. b. electricity is lost. c. electrons are exchanged. d. electrons are gained. e. electrons are lost.
Answer
Brief Explanations:
In an oxidation - reduction reaction, one species loses electrons (oxidation) and another gains electrons (reduction), so electrons are exchanged overall.
Answer:
C. Electrons are exchanged.