16.1 Conjugated Systems and Heats of Hydrogenation | Organic Chemistry
Автор: Chad's Prep
Загружено: 2021-02-08
Просмотров: 31008
In this lesson Chad introduces conjugated dienes and how conjugation lowers the energy of the pi electrons. This can be seen when comparing heats of hydrogenation. He begins by comparing relative heats of hydrogenation between conjugated, isolated, and cumulated dienes. But he also shows how an alkyne will have a higher heat of hydrogenation than any two alkenes. Finally, Chad gives a list of five rules for comparing heats of hydrogenation and works eight examples to show how to use these rules to predict relative heats of hydrogenation.
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00:00 Lesson Introduction
00:56 Conjugated vs Isolated vs Cumulated Dienes
06:06 How to Compare Relative Heats of Hydrogenation
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