Question 1

Which of the following best describes the functional group present in all alcohols?

Accepted Answer

A hydroxyl group ($$-OH) $$bonded to an $$sp^3$$ hybridized carbon

Question 2

What is the correct IUPAC name for the following compound: $$CH_3CH_2CH_2CH_2OH$$?

Accepted Answer

Butan-1-ol

Question 3

Which of the following statements about the classification of alcohols is correct?

Accepted Answer

A primary alcohol has the $$-OH$$ group attached to a carbon bonded to only one other carbon.

Question 4

Given the structure below, what is the correct IUPAC name?

$$\begin{array}{c}
	ext{CH}_3-CH(OH)-CH_2$-CH_3$
\end{array}$$

Accepted Answer

2-Butanol

Question 5

Which of the following compounds is a tertiary alcohol?

Accepted Answer

$$	ext{(CH}_3)_3COH$$

Question 6

What is the correct IUPAC name for the following structure?

$$\begin{array}{c}
	ext{Cyclopentane ring with an OH group at position 1, an ethyl group at position 2, and a methyl group at position 4}
\end{array}$$

Accepted Answer

1-Ethyl-2-methylcyclopentanol (incorrect order)

Question 7

Which of the following best explains why ethylene glycol ($$HOCH_2CH_2OH) is a $$good solvent for polar substances?

Accepted Answer

It contains two hydroxyl groups, making it highly polar and capable of hydrogen bonding.

Question 8

Which of the following is the correct classification for the alcohol in the structure below?

$$\begin{array}{c}
	ext{CH}_3-CH(OH)-CH_3$
\end{array}$$

Accepted Answer

Secondary alcohol

Question 9

Which of the following is the correct IUPAC name for a compound with two hydroxyl groups on different carbons of propane?

Accepted Answer

1,2-Propanediol

Question 10

Nitroglycerin is used both as an explosive and as a drug. Which property of nitroglycerin allows it to be used as a vasodilator in medicine?

Accepted Answer

It releases nitric oxide ($$NO$$), which relaxes blood vessels.

Question 11

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

$$\begin{array}{c}
	ext{CH}_3CH_2CH_2CH_2CH_2OH
\end{array}$$

Accepted Answer

1-Pentanol

Question 12

Which of the following statements about the boiling points of alcohols is correct?

Accepted Answer

Alcohols have higher boiling points than alkanes of similar molecular weight due to hydrogen bonding.

Question 13

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

$$\begin{array}{c}
	ext{CH}_3CH_2CH(OH)CH_2CH_3
\end{array}$$

Accepted Answer

3-Pentanol

Question 14

Which of the following is a correct step in naming a cycloalkanol according to IUPAC rules?

Accepted Answer

Number the ring so that the $$-OH$$ group gets position 1, and then number to give the lowest total for all substituents.

Question 15

Which of the following best explains why methanol ($$CH_3OH) is $$toxic to humans?

Accepted Answer

It is rapidly converted to formaldehyde and formic acid in the body, which are toxic metabolites.

Question 16

Which of the following is the correct classification for the alcohol in the structure below?

$$\begin{array}{c}
	ext{(CH}_3)_2CHCH_2OH
\end{array}$$

Accepted Answer

Primary alcohol

Question 17

Which of the following is the correct IUPAC name for a compound with two hydroxyl groups on the same carbon of propane?

Accepted Answer

1,1-Propanediol

Question 18

Which of the following is a correct statement about the solubility of alcohols in water?

Accepted Answer

Alcohols with shorter hydrocarbon chains are more soluble in water.

Question 19

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

$$\begin{array}{c}
	ext{CH}_3CH_2CH_2CH(OH)CH_3$
\end{array}$$

Accepted Answer

3-Pentanol

Question 20

Which of the following is a correct statement about the nomenclature of alcohols?

Accepted Answer

The parent chain is always the longest chain containing the $$-OH$$ group.

Alcohols, Ethers, and Thiols: Structure, Nomenclature, and Properties

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