Deck 16: Ethers, Epoxides, and Sulfides

Question 1

Which of the following compounds is the most soluble in water?

A)
B)

C)

D)

Answer 1

Question 2

Which of the following is the correct name of the compound below?

A) benzyl ethyl ether
B) ethylbenzene ether
C) ethyl phenyl ether
D) ethoxy phenoxy ether

Answer 2

ethyl phenyl ether

Question 3

Match the boiling points with the following three isomers of $\mathrm{C}_{4} \mathrm{H}_{10} \mathrm{O}_{2}$ .

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

Answer 3

C

Question 4

What is the product of the following reaction?

A)

B)

C)

D)

Question 5

Which of the following is not an intermediate in the reaction below?
$2 \mathrm{CH}_{3} \mathrm{OH} \xrightarrow{\mathrm{H}_{2} \mathrm{SO}_{4} \text {, heat }} \mathrm{CH}_{3} \mathrm{OCH}_{3}+\mathrm{H}_{2} \mathrm{O}$

A)

B)

C)

D) they are all intermediates.

Question 6

Which one of the following reactions makes the cyclic ether shown below?

A)

B)

C)

D)

Question 7

What is the product of the following reaction?

A)

B)

C)

D)

Question 8

The reaction shown below can be described as an:

A) acid-base reaction followed by an intramolecular Williamson ether synthesis.
B) acid-base reaction followed by an intramolecular $S_{N} 1$ reaction.
C) E2 reaction followed by an addition reaction to a double bond.
D) $\mathrm{S}_{\mathrm{N}} 2$ reaction followed by an intramolecular Williamson ether synthesis.

Question 9

What is the final product of the following sequence of reactions?

A)

B)

C)

D)

Question 10

What is the product of the reactions below?

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

Question 11

Which of the following epoxides is formed when $\mathrm{KOH}$ is added to the optically active halohydrin shown below?

A) trans-(2S,3S)-2,3-dimethyloxirane
B) trans-(2R,3R)-2,3-dimethyloxirane
C) 2,2-dimethyloxirane
D) meso-2,3-dimethyloxirane

Question 12

Ethylene glycol reacts in acid to form a cyclic compound with the formula of $\mathrm{C}_{4} \mathrm{H}_{8} \mathrm{O}_{2}$ . Which one of the following is this cyclic compound?

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

Question 13

What results when dimethylsulfide is treated with sodium periodate?

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