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27 Cards in this Set
- Front
- Back
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chirial
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you're mirror image can't be superimposed on you.
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enantiomer
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a non-superimposable mirror image
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meso compound
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achiral compound that contains tetrahedral stereogenic centers
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diasteriomers
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stereoisomers that are not enantiomers
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alkyl halide
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organic molecule with a halogen bonded to an sp3 carbon
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Vinyl halide
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organic molecule with a halogen bonded to a carbon=carbon double bond
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aryl halide
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organic molecule with a halogen bonded to a benzene ring
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Allylic halide
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organic molecule with a halogen bonded to a carbon that is bonded to a carbon=carbon double bond
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benzylic halide
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organic molecule with a halogen bonded to a carbon atom that's bonded to a benzene ring.
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What are the periodic trends for L.G. ability?
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increases across a row, increases down a column.
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What do protic solvents do to nucleophilicity?
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they cause nucleophilicity to increase DOWN the periodic table.
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What do aprotic solvents do to nucleophilicity?
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they cause nucleophilicity to increas UP the periodic table.
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What mechanism uses backside attack?
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Sn2
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What alkenes are more stable?
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Trans and more substituted
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When is E2 not possible?
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When there are no H's on the Beta C.
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Does increased base strength increase or decrease E2 rate?
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increase
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Do polar aprotic solvents increase or decrease E2 rate?
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increase
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Does leaving group ability increase or decrease E2 rate?
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increase
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Does increased number of R groups on alpha carbon increase or decrease E2 rate?
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increase
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Does increased number of R groups on alpha carbon increase or decrease Sn2 rate?
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decrease
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Zaitsev Rule
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The major product of a beta elimination is the one with the more substituted double bond.
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Does increasing the number of R groups on the beta carbon increase or decrease E1 rate?
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increase
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Does base strength increase or decrease E1 rate?
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decrease
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Does increased leaving group ability increase or decrease E1 rate?
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increased
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Do aprotic or protic solvents favor E1?
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protic (to solvate carbocation)
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racemic mixture
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1:1 mixture of enantiomers
doesn't rotate light |
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Physical properties of diasteriomers are...
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all different
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