Question 1

Which of the following compounds is classified as a secondary alcohol?

Accepted Answer

2-Propanol

Question 2

Which of the following best describes the functional group present in phenol?

Accepted Answer

A hydroxyl group ($$-OH) $$directly attached to a benzene ring

Question 3

Which of the following statements about the boiling points of alcohols, ethers, and alkanes of similar molar mass is correct?

Accepted Answer

Alcohols have higher boiling points than ethers and alkanes due to hydrogen bonding.

Question 4

Which of the following is the correct IUPAC name for the compound with the structure $$CH_3CH_2OCH_2CH_3$$?

Accepted Answer

Ethoxyethane

Question 5

A patient is exposed to formaldehyde. Which functional group is present in this compound?

Accepted Answer

Aldehyde

Question 6

Which of the following reactions represents the oxidation of a primary alcohol?

Accepted Answer

$$RCH_2OH \rightarrow RCHO$$

Question 7

Which of the following compounds will give a positive Tollens’ test?

Accepted Answer

Propanal

Question 8

What is the product when 2-butanone is reduced with $$NaBH_4$$?

Accepted Answer

2-Butanol

Question 9

Which of the following best describes the difference between an acetal and a hemiacetal?

Accepted Answer

A hemiacetal has one $$-OR$$ and one $$-OH$$ group on the same carbon, while an acetal has two $$-OR$$ groups.

Question 10

Which of the following compounds contains a thiol functional group?

Accepted Answer

CH$$_3CH$_2SH$$

Question 11

Which intermolecular force is primarily responsible for the high boiling point of water and alcohols?

Accepted Answer

Hydrogen bonding

Question 12

Which of the following is the correct IUPAC name for the compound $$CH_3CH_2CH_2CHO$$?

Accepted Answer

Butanal

Question 13

Which of the following statements about ethers is correct?

Accepted Answer

Ethers are generally less reactive than alcohols and do not form hydrogen bonds with themselves.

Question 14

Which of the following is the correct IUPAC name for the compound with the structure $$CH_3CH_2C(=O)CH_3$?

Accepted Answer

2-Butanone

Question 15

Which of the following best describes the product of the reaction between an aldehyde and an alcohol under acidic conditions?

Accepted Answer

An acetal

Question 16

Which of the following is a correct statement about the oxidation of secondary alcohols?

Accepted Answer

Secondary alcohols are oxidized to ketones.

Question 17

Which of the following compounds is a ketone?

Accepted Answer

CH$$_3$$COCH$$_3$$

Question 18

Which of the following best describes the functional group in an ether?

Accepted Answer

An oxygen atom bonded to two carbon atoms ($$R-O-R')$$

Question 19

Which of the following is the correct IUPAC name for the compound $$CH_3CH_2CH_2C \equiv CH$$?

Accepted Answer

1-Pentyne

Question 20

A solution contains an unknown organic compound. When treated with Tollens’ reagent, a silver mirror forms. Which functional group is present in the compound?

Accepted Answer

Aldehyde

Alcohols, Phenols, Thiols, Ethers, Aldehydes, Ketones, and Functional Groups: Study Guide for CHEM 120 Exam 2

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