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PSU Chem 210 Final Review Exam Questions and Complete Solutions Graded A+.
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PSU Chem 210 Final Review Exam Questions and Complete Solutions Graded A+.
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PSU Chem 210Final Review Exam
Questions and
Complete Solutions
Graded A+
Denning [Date] [Course title]
, E2 Reaction - Answer: One-Step with no intermediates, Base takes off proton + LG leaves with double
bond formation.
What type of carbons do E2 rxns favor? - Answer: Tertiary
What is a Zaitsev product? - Answer: Double bond formation on more substituted carbon
What is a Hoffman product? - Answer: Double bond formation on less substituted carbon
When using a stericallly hindered base (t-BuOK, LDA), which product is more favorable? - Answer:
Hoffman
When using Eto- or less sterically hindered base, which product is more favorable? - Answer: Zaitsev
E1 Reaction - Answer: 2 step process, LG leaves and forms carbocation, then base takes off proton and
makes double bond
What type of carbocations do elimination reactions prefer? - Answer: Tertiary
What is the rate determining step of an E1 reaction? - Answer: LG leaving
What stereochemistry do E1 reactions usually want? - Answer: Trans
If the substrate is OH in a potential E1 reaction, what must be done before anything else? - Answer:
Need a SA to protonate
What makes a better nucleophile? - Answer: Large atoms
What do halogens usually react as? - Answer: Nucleophiles
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