Question 1

To prepare a ketone, one should oxidize a secondary alcohol.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is a requirement of Tollens' reagent?

Accepted Answer

A) The reaction must be run in a flask. 
B) The glassware should be grease-free. 
C) An air source must be present to dry the results before interpretation. 
D) The reaction must be run at the boiling point of the substance being tested. 
A) The reaction must be run in a flask. 
B) The glassware should be grease-free. 
C) An air source must be present to dry the results before interpretation. 
D) The reaction must be run at the boiling point of the substance being tested.

Question 3

Predict the resultant compound class when an aldehyde is hydrogenated.

Accepted Answer

A) hemiketal 
B) alcohol 
C) carboxylic acid 
D) no reaction 
A) hemiketal 
B) alcohol 
C) carboxylic acid 
D) no reaction

Question 4

​ Which of the following compounds, resulting from a reaction between an alcohol and an aldehyde, contains a carbon that has a hydrogen and two -OR groups attached and resembles diethers?

Accepted Answer

A) Hemiacetal 
B) Acetal 
C) Hemiketal 
D) Ketal 
A) Hemiacetal 
B) Acetal 
C) Hemiketal 
D) Ketal

Question 5

Which of the following is a water soluble, organic solvent?

Accepted Answer

A) vanilloids 
B) hemiacetals 
C) acetone 
D) diethyl ether 
A) vanilloids 
B) hemiacetals 
C) acetone 
D) diethyl ether

Question 6

Hydrogenation of an aldehyde will produce?

Accepted Answer

A) a carboxylic acid 
B) no reaction 
C) a primary alcohol 
D) an acetal 
A) a carboxylic acid 
B) no reaction 
C) a primary alcohol 
D) an acetal

Question 7

Hemiacetals are

Accepted Answer

A) partial acetals that can be converted by a reduction reaction. 
B) unstable compounds that convert to acetals in the presence of an alcohol and an acid. 
C) semiacetals produced by alcohol subtraction from a ketone. 
D) There is more than one correct response. 
A) partial acetals that can be converted by a reduction reaction. 
B) unstable compounds that convert to acetals in the presence of an alcohol and an acid. 
C) semiacetals produced by alcohol subtraction from a ketone. 
D) There is more than one correct response.

Question 8

​ Compound X is combined with Tollen's reagent, which is reduced to metallic silver. The metallic silver precipitates and deposits on the walls of the glass container in which the reaction was carried out and forms a mirror. The compound X is a(n)_____.

Accepted Answer

A) ether 
B) phenol 
C) ketone 
D) aldehyde 
A) ether 
B) phenol 
C) ketone 
D) aldehyde

Question 9

Which of the following will react with Tollens' reagent?

Accepted Answer

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

Question 10

Oxidation of hemiketal will give a ketone and an alcohol.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following properly ranks the relative aqueous solubility of each functional group?

Accepted Answer

A) alkene < aldehyde < alcohol < ketone 
B) aldehyde < ketone < alkene < alcohol 
C) alkene < ketone < alcohol < aldehyde 
D) alkene < ketone < aldehyde < alcohol 
A) alkene < aldehyde < alcohol < ketone 
B) aldehyde < ketone < alkene < alcohol 
C) alkene < ketone < alcohol < aldehyde 
D) alkene < ketone < aldehyde < alcohol

Question 12

Acetals are prepared from ketones and alcohols.

Accepted Answer

A) True 
 B)False

Question 13

A positive Benedict's test is indicated by the formation of which of the following?

Accepted Answer

A) Cu2O 
B) Cu 
C) Cu2+ 
D) metallic mirror 
A) Cu2O 
B) Cu 
C) Cu2+ 
D) metallic mirror

Question 14

Overdose of ____ during pregnancy has proven to cause birth defects.

Accepted Answer

A) Vitamin A 
B) Vitamin B6 
C) Vitamin C 
D) Vitamin D 
A) Vitamin A 
B) Vitamin B6 
C) Vitamin C 
D) Vitamin D

Question 15

It is not possible to produce either an aldehyde or ketone from a tertiary alcohol.

Accepted Answer

A) True 
 B)False

Question 16

Another name for acetaldehyde is 2-propane.

Accepted Answer

A) True 
 B)False

Question 17

What is the IUPAC name for the following compound?

Accepted Answer

A) 3-bromobutanal 
B) 2-bromobutanal 
C) 3-bromobutanone 
D) 2-bromobutanone 
A) 3-bromobutanal 
B) 2-bromobutanal 
C) 3-bromobutanone 
D) 2-bromobutanone

Question 18

What is the major difference between a cyclic hemiacetal and a cyclic acetal?

Accepted Answer

A) The cyclic hemiacetal is an alcohol, whereas the cyclic acetal is an ether. 
B) The cyclic hemiacetal is an acid, and the cyclic acetal is a base. 
C) The cyclic hemiacetal contains more carbons in the ring than the cyclic acetal. 
D) All of the responses are correct. 
A) The cyclic hemiacetal is an alcohol, whereas the cyclic acetal is an ether. 
B) The cyclic hemiacetal is an acid, and the cyclic acetal is a base. 
C) The cyclic hemiacetal contains more carbons in the ring than the cyclic acetal. 
D) All of the responses are correct.

Question 19

Assuming that molecular weights are comparable, which of the following compounds would you expect to be the highest boiling?

Accepted Answer

A) aldehyde 
B) alkene 
C) alcohol 
D) ketone 
A) aldehyde 
B) alkene 
C) alcohol 
D) ketone

Question 20

The IUPAC name for formaldehyde is methanal.

Accepted Answer

A) True 
 B)False

Exam 14: Aldehydes and Ketones

To prepare a ketone, one should oxidize a secondary alcohol.

Which of the following is a requirement of Tollens' reagent?

Predict the resultant compound class when an aldehyde is hydrogenated.

​ Which of the following compounds, resulting from a reaction between an alcohol and an aldehyde, contains a carbon that has a hydrogen and two -OR groups attached and resembles diethers?

Which of the following is a water soluble, organic solvent?

Hydrogenation of an aldehyde will produce?

Hemiacetals are

​ Compound X is combined with Tollen's reagent, which is reduced to metallic silver. The metallic silver precipitates and deposits on the walls of the glass container in which the reaction was carried out and forms a mirror. The compound X is a(n)_____.

Which of the following will react with Tollens' reagent?

Oxidation of hemiketal will give a ketone and an alcohol.

Which of the following properly ranks the relative aqueous solubility of each functional group?

Acetals are prepared from ketones and alcohols.

A positive Benedict's test is indicated by the formation of which of the following?

Overdose of ____ during pregnancy has proven to cause birth defects.

It is not possible to produce either an aldehyde or ketone from a tertiary alcohol.

Another name for acetaldehyde is 2-propane.

What is the IUPAC name for the following compound?

What is the major difference between a cyclic hemiacetal and a cyclic acetal?

Assuming that molecular weights are comparable, which of the following compounds would you expect to be the highest boiling?

The IUPAC name for formaldehyde is methanal.

Matter, Measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, Bases, and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, Phenols, and Ethers

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

Which of the following compounds, resulting from a reaction between an alcohol and an aldehyde, contains a carbon that has a hydrogen and two -OR groups attached and resembles diethers?

Compound X is combined with Tollen's reagent, which is reduced to metallic silver. The metallic silver precipitates and deposits on the walls of the glass container in which the reaction was carried out and forms a mirror. The compound X is a(n)_____.