ketones and aldehydes l.
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Ketones and Aldehydes. Aldehyde: An organic molecule with an oxygen double bonded to one of the two outer carbons on the chain. Aldehyde? What?. → → Pentane Pentane → Pentan Pentan → Pentanal Pentanal = . Aldehyde Nomenclature. Ignore the oxygen and name

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aldehyde nomenclature

→ Pentane

Pentane → Pentan

Pentan → Pentanal

Pentanal =

Aldehyde Nomenclature
  • Ignore the oxygen and name
  • Remove the 'e' from the end of the name
  • Add 'al' to the end
  • That is now the name of the aldehyde
aldehyde common nomenclature

→ Formic Acid

Formic Acid → Form


Formaldehyde =

Aldehyde Common Nomenclature
  • Get the name of the carboxilic acid closest to representing the molecule
  • Remove 'ic Acid'
  • Add 'aldehyde'
  • That is now the name of your original molecule
ketone nomenclature


Pentane → Pentan

Pentan → Pentanone


3-Pentanone =

Ketone Nomenclature
  • Ignore the oxygen and name
  • Remove the 'e' at the end
  • Add 'one' to the end
  • Number the carbons and place the oxygen
  • That is now the name of the original molecule
ketone common nomenclature

→ Methane

→ Ethane

Methyl Ethyl Ketone

Ketone Common Nomenclature
  • Split the molecule into two sections, the carbons before and after the ketone
  • Name the sections
  • Turn the sections into groups and put it together with 'ketone' at the end
priorities carboxilic acid esters aldehyde ketone alcohols amines ethers everything else

Carboxilic Acid







Everything Else

It's a simple question of weight ratios!
the uses of aldehyde and ketones and the uselessness of titles

Aldehydes – used in the manufacturing of resins, dyes, and organic acids

Ketones – used in perfumes and paints as a stabilizer

Formaldehyde – Used in tanning, preserving, and embalming and as a germicide, fungicide, and insecticide for plants and vegetables

Methyl Ethyl Ketone (MEK) – solvent, poison, used in rubber based cement and ink

The Uses of Aldehyde and Ketones (and the uselessness of titles)
Stop. Who would cross the Bridge of Death must answer me these questions three, ere the other side he see.
  • 3,4-dimethyl 3-phenyl 2-pentanone
  • 2,4,6 tripentyl heptanal

Then shalt thou count to three, no more, no less. Three shall be the number thou shalt count, and the number of the counting shall be three. Four shalt thou not count, neither count thou two, excepting that thou then proceed to three. Five is right out.One... Two... Five!!!Three Sir!THREE!!