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1.
What is the major organic product obtained from the following reaction?
(A) 1
(B)
2
(C)
3
(D)
4
2. What is the major organic product obtained from the following reaction?
(A) 1
(B) 2
(C) 3
(D) 4
3. What is the major organic product obtained from the following reaction?
(A) 1
(B) 2
(C) 3
(D) 4
4. What is the major elimination product obtained from the following reaction?
(A) 1
(B) 2
(C) 3
(D)
4
5. What is the major organic product obtained from the following reaction?
(A) 1
(B) 2
(C) 3
(D) 4
6. Which of the following
energy diagrams represents the course of an exothermic E1 reaction?
(A) 1
(B)
2
(C)
3
(D)
4
7. What is the best choice
of reagent to perform the following transformation?
(A)
H2SO4
(B)
H2O
(C)
NaOCH3
(D)
KOtBu
8. What type of reaction mechanism accounts for the reaction of an alkene with HBr
to give an alkyl bromide?
(A)
H2SO4
(B)
H2O
(C)
NaOCH3
(D)
KOtBu
9. Which of the following
represents the transition state of the rate-determining step in the elimination
reaction of 2-bromopropane with hydroxide?
(A)
1
(B)
2
(C)
3
(D)
4
10. Which of the following
concepts explains Zaitzev’s rule as applied to the base-promoted elimination of
HCl from 2-chlorobutane? (A) the relative stability of carbocations
(B)
the relative stability of alkenes
(C) the acidity of
HCl
(D) the Aufbau principle
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