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Organic Chemistry. Melody WangWu Cecilia Wu. Alkanes, Alkenes, Alkynes. Tip to remember: A-E-I(Y)……o…u… (in vowel order) Alkanes comes first, then alkenes has two less Hydrogens than Alkanes, alkynes two less than alkenes. Alkanes: C n H 2n+2 Alkenes: C n H 2n Alkynes: C n H 2n-2.
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Organic Chemistry Melody WangWu Cecilia Wu
Alkanes, Alkenes, Alkynes • Tip to remember: A-E-I(Y)……o…u… (in vowel order) • Alkanes comes first, then alkenes has two less Hydrogens than Alkanes, alkynes two less than alkenes. Alkanes: CnH2n+2 Alkenes: CnH2n Alkynes: CnH2n-2
prefixes • From Meth- to Hept-: Melody Eats Pepperoni But Pepperoni Hates Her
Functional Groups Ways to memorize them
Alcohol R—OH • Tip to remember: Look for the C-OH in alCOHol *R = representation of carbon chain OH! I have to finish studying my functional groups for the marking period assessment!
Ether R-O-R’ • Tip to remember: Ether sounds like “either”, and there are carbons on either side of the Oxygen.
Aldehyde and Ketone • Tips to remember: • the diagonal strokes in K indicate the double bond with the oxygen • OR Aldehyde before kEtone aldehyde has one less Carbon chain than ketone • Also, Aldehyde has an “H”, the “H” stands for the bond with a Hydrogen instead of another Carbon chain.
Carboxylic Acid • Tip to remember: • “BOX” stands for boxed wine, or alCOHol. • The “Y” in “Carboxylic” represents the double bond with Oxygen
Ester • Tip to remember: • Ester sounds like Ether, which sounds like Either. There are still two carbons on either side of a single bonded oxygen, but on one carbon there is another double bonded Oxygen branching off.
Amine • Tip to remember: • The “N” in “Amine” represents Nitrogen • (the only common functional group without oxygen)