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Topic: Function Group #4-Ketones

Topic: Function Group #4-Ketones. Do Now: In terms of IMF, explain the difference in boiling point. O. O. =. =. R  C  R'. C. General Format: R and R' may or may not be the same (but have to be carbons/carbon chains) Carbonyl group : located within C chain. Properties.

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Topic: Function Group #4-Ketones

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  1. Topic: Function Group #4-Ketones Do Now: In terms of IMF, explain the difference in boiling point

  2. O O = = RCR' C • General Format: R and R' may or may not be the same(but have to be carbons/carbon chains) Carbonyl group: located within C chain

  3. 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)

  4. Have you ever smelled a ketone?! Camphor

  5. Naming Ketones • Must use number to indicate location of carboxyl group – use lowest possible number • Take corresponding alkane name: • Drop -e & add -one

  6. 2-propanone Common name = acetone 2-pentanone

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