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In a galvanic (voltaic) cell, what occurs at the anode and cathode, and in which direction do electrons flow in the external circuit?

Study flashcard from the deck Gaokao essentials: original practice.

Answer

Oxidation occurs at the anode; reduction occurs at the cathode. Electrons flow through the external circuit from anode to cathode.

Explanation

Anions in the salt bridge migrate toward the anode, while cations migrate toward the cathode to maintain electrical neutrality.

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