The oxygen electrode is the cathode and is considered positive with respect to the hydrogen electrode, called the anode.

Name: The oxygen electrode is the cathode and is considered positive with respect to the hydrogen electrode, called the anode.
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In a standard electrochemical cell, the oxygen electrode (where reduction occurs) acts as the cathode and is considered positive, while the hydrogen electrode (where oxidation occurs) is the anode and is considered negative.

The Oxygen Electrode Is the Cathode and Is Considered Positive