Which reaction occurs at the anode in an electrochemical cell?

NY Regents Chemistry Exam June 2022

26 Which reaction occurs at the anode in an electrochemical cell? (1) saponification

(2) oxidation (3) esterification

(4) reduction

Explanation: An electrochemical cell has an anode and a cathode. What happened in an anode? We can learn the following mnemonic: Red Cat (reduction occurs at the cathode) and An Ox (anode is oxidation).

Answer: 2