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MDCAT Chemistry QUESTION #4336
Question 1
Which of the following best identifies a redox reaction?
  • Transfer of proton
  • Transfer of electron✔️
  • Absorption of light
  • Exchange of ions
Correct Answer Explanation
A redox (reduction-oxidation) reaction involves the transfer of electrons between species. Oxidation is loss of electrons and reduction is gain of electrons: $OIL\ RIG$.