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Alkanes and Haloalkanes

5. Haloalkanes

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About this Lecture

Lecture

In the fifth mini-lecture, we look at haloalkanes - alkanes substituted with a halogen. To begin, we look at their nomenclature - how we name them - before looking at the different types of haloalkanes we can have. These compounds are unique in their stabilities and reactivities, so in this lecture we take steps to understanding why this is the case. Why does the bond energy of the C-X bond decrease as you move down the group?

Course

In this course, Professor Karl Haushalter (Harvey Mudd College) introduces alkanes to us, a fundamental type of hydrocarbon often used in research and industry. We begin by: (i) introducing the key characteristics of alkanes, and the process of drawing and writing out short-chain alkanes and some derivatives as well; then (ii) talking about structural isomerism, and how different structural formulae can arise from compounds with the same chemical formula; before (iii) showing and discussing the bonding within alkanes, and how this bonding defines key aspects such as shape and bond angle; then (iv) looking at some more advanced topics such as conformational analysis, and why certain conformations of alkanes are higher or lower in energy; and then (v) introducing alkanes substituted with halogens, otherwise known as haloalkanes, looking briefly at their nomenclature, structure, and thermodynamics; before finally (vi) looking at some key reactions of haloalkanes, such as nucleophilic substitution and elimination, as well as their mechanisms.

Lecturer

Professor Karl Haushalter is Professor of Chemistry and Biology and Department Chair of Chemistry at Harvey Mudd College. He studies the details of DNA repair, providing an entry point into understanding the molecular mechanisms of carcinogenesis, aging, and evolution. In addition to these scientific pursuits, Prof. Haushalter is active in community efforts to combat the stigma associated with HIV-AIDS and support those living with HIV-AIDS through education and empowerment.

Cite this Lecture

APA style

Haushalter, K. (2022, January 17). Alkanes and Haloalkanes - Haloalkanes [Video]. MASSOLIT. https://massolit.io/courses/alkanes-and-haloalkanes/haloalkanes

MLA style

Haushalter, K. "Alkanes and Haloalkanes – Haloalkanes." MASSOLIT, uploaded by MASSOLIT, 17 Jan 2022, https://massolit.io/courses/alkanes-and-haloalkanes/haloalkanes

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