In an electrochemical cell, which electrode is the site of oxidation?

Study for the Chemistry for Engineers Test. Enhance your knowledge with multiple choice questions and in-depth explanations. Prepare confidently for your exam!

Multiple Choice

In an electrochemical cell, which electrode is the site of oxidation?

Explanation:
Oxidation is the loss of electrons, so it must occur at the electrode that donates electrons to the external circuit. That electrode is the anode. In a typical electrochemical cell, electrons flow from the anode to the cathode, while the species at the cathode gain electrons and are reduced. The cathode is the site of reduction, not oxidation; anion is a charged species, not an electrode; and electrode is a general term. Thus, the electrode where oxidation occurs is the anode.

Oxidation is the loss of electrons, so it must occur at the electrode that donates electrons to the external circuit. That electrode is the anode. In a typical electrochemical cell, electrons flow from the anode to the cathode, while the species at the cathode gain electrons and are reduced. The cathode is the site of reduction, not oxidation; anion is a charged species, not an electrode; and electrode is a general term. Thus, the electrode where oxidation occurs is the anode.

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