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4.3 Oxidation Reduction Reactions | General Chemistry

Chad provides an introduction to Oxidation-Reduction Reactions (Redox Reactions for short) in this lesson. Oxidation and reduction are both defined and two mnemonics (OIL RIG and LEO GER) are presented to help with remembering them. The rules for determining oxidation states (aka oxidation numbers) are then presented with the oxidation states for the elements in several examples being determined. It is then shown that oxidation-reduction reactions involve changes in oxidation states which can be used to identify them, but some shortcuts are also provided for this purpose. Finally, single replacement reactions are presented and it is shown how to use the Activity Series to identify when a single replacement reaction is spontaneous or not. I've embedded this playlist as a course on my website with all the lessons organized by chapter in a collapsible menu and much of the content from the study guide included on the page. Check this lesson out at https://www.chadsprep.com/chads-gener... If you want all my study guides, quizzes, final exam reviews, and practice exams, check out my General Chemistry Master Course at https://www.chadsprep.com/genchem-you... 00:00 Lesson Introduction 01:04 Oxidation and Reduction 04:23 How to Determine Oxidation States 12:24 Identifying Redox Reactions 18:20 Single Replacement Reactions https://www.chadsprep.com/