Ketones: Boiling Points and IMF Differences
Learn about ketones, their properties, and the factors affecting their boiling points, such as intermolecular forces (IMF). Discover the polar nature of ketone molecules and how it influences their solubility in water, along with examples like acetone. Explore naming conventions for ketones and their common names like 2-propanone.
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Presentation Transcript
Topic: Function Group #4-Ketones Do Now: In terms of IMF, explain the difference in boiling point
=O General Format: R C R' R and R' may or may not be the same (but have to be carbons/carbon chains) C =O Carbonyl group: located within C chain
Properties Carboxyl group makes ketone molecules polar = soluble in water Dipole-Dipole interactions Boiling point: higher than alkanes (same # C s) lower than alcohols (same # C s)
Have you ever smelled a ketone?! Camphor
Naming Ketones Must use number to indicate location of carboxyl group use lowest possible number Take corresponding alkane name: Drop -e & add -one
2-propanone Common name = acetone 2-pentanone
