Deck 6: Addition Reactions of Alkenes

Question 1

Which of the following alkenes is expected to have the highest heat of hydrogenation?

A) 1-pentene
B) trans-2-pentene
C) cis-2-pentene
D) 2-methyl-2-butene

Answer 1

1-pentene

Question 2

The product(s) in the following reaction is(are)

A) only trans-1-4-dimethylcyclohexane.
B) only cis-1-4-dimethylcyclohexane.
C) both trans and cis-1-4-dimethylcyclohexane.
D) methylcyclohexane.

Answer 2

both trans and cis-1-4-dimethylcyclohexane.

Question 3

What is the major product of the following reaction?

A)

B)

C)

D)

Answer 3

Question 4

What is the intermediate in the following reaction?

A)

B)

C)

D)

Question 5

What is(are) the product(s) of the following hydroboration-oxidation reaction?

A) 1-methylcyclobutanol
B) trans-2-methylcyclobutanol
C) cis-2-methylcyclobutanol
D) equal amounts of 2 and 3

Question 6

Which of the following series of reactions would convert cyclohexanol to 1,2-epoxycyclohexane?

A) A
B) B
C) C
D) D

Question 7

A compound is treated with ozone followed by zinc in water to give the following three products. Which structure below best fits the data?

A)

B)

C)

D)

Question 8

Which of the following species is the intermediate in the bromination of propene?

A)

B)

C)

D)

Question 9

A compound, $\mathrm{C}_{7} \mathrm{H}_{13} \mathrm{Cl}$ , is reacted with sodium ethoxide and gives a single elimination product, $\mathrm{C}_{7} \mathrm{H}_{12}$ . Treatment with ozone followed by zinc and water gives the compound below. Identify the original compound.

A) 2-chloro-1,1-dimethylcyclopentane
B) 1-chloro-1,2-dimethylcyclopentane
C) 4-chloro-1,2-dimethylcyclopentane
D) 2-chloro-1,3-dimethylcyclopentane

Question 10

Which point on the potential energy diagram corresponds to the species below for the reaction of 2methylpropene with hydrogen chloride?

A) A
B) B
C) C
D) D

Question 11

Which of the following is the product of the reaction shown below?

A)

B)

C)

D)

Question 12

What product results from this reaction?

A)

B)
C)

D)

Question 13

The polymerization of styrene gives a polymer that has which structure?

A)
B)

C)

D) none of these