Question 1

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

Accepted Answer

A sulfhydryl group (–SH) attached to a carbon chain

Question 2

What is the IUPAC name for the following compound: $\mathrm{CH_3CH_2CH_2OH}$?

Accepted Answer

1-Propanol

Question 3

Which of the following alcohols is most soluble in water, and why?

Accepted Answer

Methanol, because it has the shortest carbon chain and forms hydrogen bonds with water

Question 4

What is the product of the oxidation of a primary alcohol?

Accepted Answer

An aldehyde

Question 5

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

Accepted Answer

Butanal

Question 6

What is the IUPAC name for the following structure: $\mathrm{CH_3CH_2CH_2CH_2CHO}$?

Accepted Answer

Pentanal

Question 7

Which of the following best describes the dehydration reaction of alcohols?

Accepted Answer

Alcohols lose a water molecule to form an alkene

Question 8

Which of the following is the correct common name for $\mathrm{CH_3OCH_2CH_2CH_3}$?

Accepted Answer

Methyl propyl ether

Question 9

A secondary alcohol is oxidized. What is the major organic product?

Accepted Answer

A ketone

Question 10

Which of the following statements about ethers is correct?

Accepted Answer

Ethers are named by listing the alkyl groups in alphabetical order followed by 'ether'

Question 11

Which of the following compounds is a tertiary alcohol?

Accepted Answer

$\mathrm{(CH_3)_3COH}$

Question 12

Which of the following best explains why phenol is slightly soluble in water?

Accepted Answer

Phenol contains an –OH group that can form hydrogen bonds with water

Question 13

What is the IUPAC name for the following ketone: $\mathrm{CH_3COCH_2CH_3}$?

Accepted Answer

2-Butanone

Question 14

Which of the following is the correct balanced equation for the combustion of ethanol ($\mathrm{C_2H_5OH}$)?

Accepted Answer

$\mathrm{C_2H_5OH + 3O_2 \rightarrow 2CO_2 + 3H_2O}$

Question 15

Which of the following is a correct statement about the reduction of aldehydes and ketones?

Accepted Answer

Aldehydes are reduced to primary alcohols

Question 16

Which of the following best describes the product of the oxidation of two molecules of methanethiol ($\mathrm{CH_3SH}$)?

Accepted Answer

Dimethyl disulfide

Question 17

Which of the following compounds is most likely to be found in the spray of a skunk?

Accepted Answer

trans-2-Butene-1-thiol

Question 18

Which of the following best explains why 1-butanol is less soluble in water than methanol?

Accepted Answer

1-Butanol has a longer nonpolar carbon chain, which reduces its ability to form hydrogen bonds with water

Question 19

Which of the following is the correct IUPAC name for the compound with the structure $\mathrm{CH_3CH_2CH_2CH_2SH}$?

Accepted Answer

Butanethiol

Alcohols, Thiols, Ethers, Aldehydes, and Ketones: Structure, Naming, Properties, and Reactions

Study Guide - Practice Questions