Chemistry Review

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• Chemistry Review

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Contestants,
Dont Forget...
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Always phrase your answers in the form of a
question!
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Hands on your buzzers, its...
JEOPARDY!
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Deceptive KState Football Trivia
Reaction Mechanisms
SN2 Reactions
Stereo-isomers
Cyclic Alkanes
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This is the general formula for all cyclic
hydrocarbons.
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What is CnH2n?
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Axial vs equatorial this is the preferred
position for the methyl group in
methylcyclohexane.
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What is a equatorial?
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This is the number of equatorial positions on a
cyclohexane ring.
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What is six?
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These are the two most commonly mentioned
conformations for cyclohexane.
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What are the chair and boat conformations ?
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Of the two conformations shown below, this is the
one that is the most stable.
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What is A?
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Two molecules that are non-superimposable mirror
images are called this.
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What is enantiomers?
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Two molecules that are non-superimposable and are
not mirror images are called this.
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What is diastereomers?
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In order for an atom to be a stereocenter, this
must be true
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What is it must have four different groups
attached?
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This term describes an optically inactive mixture
of two enatiomers.
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What is a racemic mixture or racemate?
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This is the absolute configuration of almost all
amino acids.
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What is S?
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This is what SN2 stands for.
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What is bimolecular, nucleophilic substitution?
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This term describes the group that leaves the
substrate in an SN2 reaction.
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What is leaving group?
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This term describes the species that displaces
the leaving group.
What is?
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What is nucleophile?
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These are used to show the movement of the
electrons in a reaction mechanism.
What is?
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What are arrows?
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These are the four type of reaction mechanisms
that we will study.
What is?
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What are SN1 SN2 E1 E2?
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These are the four type of reaction mechanisms
that we will study
What is?
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What are SN1 SN2 E1 E2?
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When an SN2 reaction occurs at a stereocenter,
the reaction proceeds with inversion/retention
of configuration.
What is?
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What is inversion?
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DAILY DOUBLE
DAILY DOUBLE
DAILY DOUBLE
DAILY DOUBLE
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DAILY DOUBLE
Between H2O and OH-, this is the stronger
nucleophile.
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• What is OH-?

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For the halogens, this is the order of leaving
groups from best to worst
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What is I- gt Br- gt Cl- gt F-?
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For the second row anions, this is the order of
nucleophilicity from best to worst.
What is?
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What is C gt N gt O gt F?
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True or false rates for SN2 reactions are faster
in polar aprotic solvents than polar protic
solvents.
What is?
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What is true?
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This was the final score of the 2003 Big 12
Championship game.
What is?
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What was 35-7? (Those who forget history are
doomed to repeat it. I will promise I wont let
that happen to you!)
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True or false rates for SN2 reactions are slower
with bulky nucleophiles.
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What is true?
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This is the hybridization of the carbon atom in
the transition state of an SN2 reaction.
What is?
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What is sp2?
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Frontside attack versus backside attack
nucleophiles in SN2 reactions attack this way.
What is?
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What is backside attack?
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True or false rates for SN2 reactions are slower
with bulky substrates.
What is?
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What is true?
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