University of Benin CHM212 intermediate

Oxidation and reduction reaction

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Course Syllabus

  1. Fundamentals of Oxidation and Reduction
  2. Oxidation Numbers and Redox Systems
  3. Electrochemistry: Galvanic Cells
  4. Electrochemistry: Nernst Equation and Applications
  5. Electrochemistry: Electrolytic Cells and Corrosion

Study Notes

Fundamentals of Oxidation and Reduction

Oxidation and reduction are everywhere in chemistry, from how your body processes food to how batteries produce electricity. You'll often hear them referred to jointly as redox reactions.

The most fundamental way to think about oxidation and reduction is in terms of electron transfer.

  • Oxidation: This is the loss of electrons. When an atom or ion loses electrons, its charge becomes more positive.
  • Reduction: This is the gain of electrons. When an atom or ion gains electrons, its charge becomes more negative.
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