Question 1

The most oxidized organic form of a primary alcohol is a ketone.

Accepted Answer

A) True 
 B)False  False

Question 2

What is the structure of the compound produced by the oxidation of ethanal?

Accepted Answer

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

Question 3

What is the name of the organic product formed when the compound shown is oxidized?

Accepted Answer

A) 2-butanol 
B) butanone 
C) butanal 
D) butyl ketone 
E) methyl ethyl ether 
A) 2-butanol 
B) butanone 
C) butanal 
D) butyl ketone 
E) methyl ethyl ether B

Question 4

Benedict's test can be used to distinguish between an aldehyde and a ketone.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following will give a silver mirror when treated with Tollens' reagent?

Accepted Answer

A) 2-pentanone 
B) propanone 
C) hexanal 
D) 1-pentanol 
E) 2-pentanol 
A) 2-pentanone 
B) propanone 
C) hexanal 
D) 1-pentanol 
E) 2-pentanol

Question 6

What compound is produced when 2-methyl-3-pentanol is oxidized?

Accepted Answer

A) 2-methyl-3-pentanone 
B) 2-methyl-3-pentanal 
C) 2-methyl-3-pentene 
D) 2-methylpentone 
E) It does not undergo oxidation. 
A) 2-methyl-3-pentanone 
B) 2-methyl-3-pentanal 
C) 2-methyl-3-pentene 
D) 2-methylpentone 
E) It does not undergo oxidation.

Question 7

Which statement best describes the structural difference between aldehydes and ketones?

Accepted Answer

A) Aldehydes contain a hydroxyl group; ketones contain a carbonyl group. 
B) Aldehydes contain a carbonyl group on an end carbon of the carbon chain; ketones contain a carbonyl group on a carbon within the carbon chain. 
C) Ketones are cyclic compounds; aldehydes are acyclic compounds. 
D) The carbonyl group of a ketone is bonded to an oxygen atom; the carbonyl group of an aldehyde is bonded to a hydrogen atom. 
E) The carbonyl group of an aldehyde is bonded to two carbon atoms; the carbonyl group of a ketone is bonded to at least one hydrogen atom. 
A) Aldehydes contain a hydroxyl group; ketones contain a carbonyl group. 
B) Aldehydes contain a carbonyl group on an end carbon of the carbon chain; ketones contain a carbonyl group on a carbon within the carbon chain. 
C) Ketones are cyclic compounds; aldehydes are acyclic compounds. 
D) The carbonyl group of a ketone is bonded to an oxygen atom; the carbonyl group of an aldehyde is bonded to a hydrogen atom. 
E) The carbonyl group of an aldehyde is bonded to two carbon atoms; the carbonyl group of a ketone is bonded to at least one hydrogen atom.

Question 8

Where in the body is ethanol oxidized to produce ethanal?

Accepted Answer

A) stomach 
B) liver 
C) small intestine 
D) large intestine 
E) Both small intestine and large intestine are correct. 
A) stomach 
B) liver 
C) small intestine 
D) large intestine 
E) Both small intestine and large intestine are correct.

Question 9

Which of the following best describes the structure of an enol?

Accepted Answer

A) contains a triple bond and a carbonyl group 
B) contains only single bonds and a hydroxyl group 
C) contains a double bond and a hydroxyl group 
D) contains a double bond and a carbonyl group 
E) contains only single bonds and a carbonyl group 
A) contains a triple bond and a carbonyl group 
B) contains only single bonds and a hydroxyl group 
C) contains a double bond and a hydroxyl group 
D) contains a double bond and a carbonyl group 
E) contains only single bonds and a carbonyl group

Question 10

What is the IUPAC name of the compound shown?

Accepted Answer

A) 4-octanone 
B) 1-propyl butanal 
C) -heptanone 
D) dipropyl ether 
E) 4-heptanal 
A) 4-octanone 
B) 1-propyl butanal 
C) -heptanone 
D) dipropyl ether 
E) 4-heptanal

Question 11

An acetal contains two ether functional groups.

Accepted Answer

A) True 
 B)False

Question 12

The compound butanone does not need a number to specify the location of the carbonyl group on the parent carbon chain.Which of the following best explains why?

Accepted Answer

A) The C=O is assumed to be on C-1 of the parent chain if it is not specified. 
B) The C=O can only be on C-2 of the parent chain in this compound for it to be a ketone. 
C) The C=O is on an end carbon in this compound, and therefore does not need to be specified. 
D) The location of a C=O does not need to be specified for a cyclic ketone. 
E) The location of the C=O in this compound is not significant to the name. 
A) The C=O is assumed to be on C-1 of the parent chain if it is not specified. 
B) The C=O can only be on C-2 of the parent chain in this compound for it to be a ketone. 
C) The C=O is on an end carbon in this compound, and therefore does not need to be specified. 
D) The location of a C=O does not need to be specified for a cyclic ketone. 
E) The location of the C=O in this compound is not significant to the name.

Question 13

Acetone is the simplest ketone.Not only is it used industrially as a solvent, but it is also produced by the body as a product of lipid metabolism.What is the structure of acetone?

Accepted Answer

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

Question 14

Nandrolone is an anabolic steroid sometimes taken by athletes to build muscle mass.Which of the following correctly describes the organic families to which nandrolone belongs?

Accepted Answer

A) ketone, alkene, alcohol 
B) aldehyde, alkene, phenol 
C) ketone, alkene, phenol 
D) aldehyde, aromatic, alcohol 
E) keto, enol, aromatic 
A) ketone, alkene, alcohol 
B) aldehyde, alkene, phenol 
C) ketone, alkene, phenol 
D) aldehyde, aromatic, alcohol 
E) keto, enol, aromatic

Question 15

What type of compound is formed in the following reaction?

Accepted Answer

A) acetal 
B) aldehyde 
C) hemiacetal 
D) enol 
E) ketone 
A) acetal 
B) aldehyde 
C) hemiacetal 
D) enol 
E) ketone

Question 16

The oxidation of isopropyl alcohol produces propanone.

Accepted Answer

A) True 
 B)False

Question 17

The presence of a carbonyl group has which effect on the physical properties of a compound?

Accepted Answer

A) The carbonyl group decreases the polarity of the compound. 
B) The carbonyl group increases the boiling point of the compound. 
C) The carbonyl group decreases the water solubility of the compound. 
D) The carbonyl group increases the ability of the compound to form ionic bonds. 
E) The carbonyl group decreases the melting point of the compound. 
A) The carbonyl group decreases the polarity of the compound. 
B) The carbonyl group increases the boiling point of the compound. 
C) The carbonyl group decreases the water solubility of the compound. 
D) The carbonyl group increases the ability of the compound to form ionic bonds. 
E) The carbonyl group decreases the melting point of the compound.

Question 18

Which of the following does NOT represent an oxidation reaction?

Accepted Answer

A) ethanal → ethanol 
B) benzaldehyde → benzoic acid 
C) 2-propanol → propanone 
D) 1-propanol → propanal 
E) All of the reactions are oxidation reactions. 
A) ethanal → ethanol 
B) benzaldehyde → benzoic acid 
C) 2-propanol → propanone 
D) 1-propanol → propanal 
E) All of the reactions are oxidation reactions.

Question 19

A ketone can be reduced to a primary alcohol.

Accepted Answer

A) True 
 B)False

Question 20

Small (low molecular weight) aldehyde molecules are generally more water-soluble than large ones.

Accepted Answer

A) True 
 B)False

Exam 13: Aldehydes and Ketones

The most oxidized organic form of a primary alcohol is a ketone.

What is the structure of the compound produced by the oxidation of ethanal?

What is the name of the organic product formed when the compound shown is oxidized?

Benedict's test can be used to distinguish between an aldehyde and a ketone.

Which of the following will give a silver mirror when treated with Tollens' reagent?

What compound is produced when 2-methyl-3-pentanol is oxidized?

Which statement best describes the structural difference between aldehydes and ketones?

Where in the body is ethanol oxidized to produce ethanal?

Which of the following best describes the structure of an enol?

What is the IUPAC name of the compound shown?

An acetal contains two ether functional groups.

The compound butanone does not need a number to specify the location of the carbonyl group on the parent carbon chain.Which of the following best explains why?

Acetone is the simplest ketone.Not only is it used industrially as a solvent, but it is also produced by the body as a product of lipid metabolism.What is the structure of acetone?

Nandrolone is an anabolic steroid sometimes taken by athletes to build muscle mass.Which of the following correctly describes the organic families to which nandrolone belongs?

What type of compound is formed in the following reaction?

The oxidation of isopropyl alcohol produces propanone.

The presence of a carbonyl group has which effect on the physical properties of a compound?

Which of the following does NOT represent an oxidation reaction?

A ketone can be reduced to a primary alcohol.

Small (low molecular weight) aldehyde molecules are generally more water-soluble than large ones.

Chemistry:methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, Chemical Changes, and the Chemical Equation

States of Matter- Gases, Liquids, and Solids

Solutions

Energy, Rate and Equilibrium

Acids and Bases

The Nucleus, Radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry- the Saturated Hydrocarbons

The Unsaturated Hydrocarbons- Alkenes, Alkynes, and Aromatics

Alcohols, Phenols, Thiols, and Ethers

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

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