Question 1

Which of the following statements best explains why ethyl alcohol (ethanol) has a much higher boiling point than dimethyl ether, even though both have similar molecular weights?

Accepted Answer

Ethanol molecules can form hydrogen bonds with each other, increasing intermolecular forces.

Question 2

Which of the following is the correct IUPAC name for the compound with the structure $CH_3CH_2CH_2OH$?

Accepted Answer

1-Propanol

Question 3

A secondary alcohol is oxidized under controlled conditions. What is the expected product?

Accepted Answer

A ketone

Question 4

Which of the following compounds is classified as a phenol?

Accepted Answer

C$_6$H$_5$OH

Question 5

What is the major product when 2-methyl-2-butanol undergoes dehydration with a strong acid?

Accepted Answer

2-Methyl-2-butene

Question 6

Which of the following statements about ethers is TRUE?

Accepted Answer

Ethers are good solvents for reactions where no -OH groups are desired.

Question 7

Which of the following best describes the difference between a primary, secondary, and tertiary alcohol?

Accepted Answer

The number of carbon atoms bonded to the carbon bearing the -OH group.

Question 8

Which of the following reactions represents the oxidation of a thiol to a disulfide?

Accepted Answer

$2RSH \rightarrow RSSR + 2H^+$

Question 9

Which of the following compounds is most likely to be water soluble?

Accepted Answer

1,2-Ethanediol

Question 10

Which of the following is the correct IUPAC name for the compound $CH_3CH_2CH_2Br$?

Accepted Answer

1-Bromopropane

Question 11

Which of the following statements about phenols is FALSE?

Accepted Answer

Phenols are named using the suffix '-ol' attached to the alkyl group.

Question 12

Which of the following molecules is chiral?

Accepted Answer

2-Butanol

Question 13

What is the product when ethanol reacts with sodium metal?

Accepted Answer

$2CH_3CH_2OH + 2Na \rightarrow 2CH_3CH_2O^-Na^+ + H_2$

Question 14

Which of the following is the correct structure for 3-methoxy-2-butanol?

Accepted Answer

CH$_3$CH(OH)CH(OCH$_3$)CH$_3$

Question 15

Which of the following is NOT a property of ethers?

Accepted Answer

Ethers have higher boiling points than alcohols of similar molecular weight.

Question 16

Which of the following best describes the process of organic oxidation?

Accepted Answer

A reaction that increases the number of C-O bonds and/or decreases the number of C-H bonds.

Question 17

Which of the following is the correct IUPAC name for the compound $CH_3CH_2OCH_3$?

Accepted Answer

Methoxyethane

Question 18

Which of the following is a correct statement about the acidity of phenols compared to alcohols?

Accepted Answer

Phenols are about 10,000 times more acidic than alcohols.

Question 19

Which of the following is a real-world application of disulfide bonds in proteins?

Accepted Answer

Disulfide bonds are responsible for the permanent wave in hair treatments.

Chapter 14: Compounds with Oxygen, Sulfur, and Halogens – Alcohols, Phenols, Ethers, Thiols, and Alkyl Halides

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