The substance being reduced is the oxidizing agent while the substance being oxidized is the reducing agent.

Question

Quizplus · Accepted Answer

This is true based on the definition of oxidation and reduction in which oxidation involves loss of electrons (or increase in oxidation state) and reduction involves gain of electrons (or decrease in oxidation state). Therefore, the substance that is losing electrons is being oxidized (reducing agent) while the substance that is gaining electrons is being reduced (oxidizing agent).

The Substance Being Reduced Is the Oxidizing Agent While the Substance