Question 1

Which functional group can be oxidized but not reduced?

Accepted Answer

A)  an alcohol 
B)  an alkane 
C)  an alkyne 
D)  an alkene 
E)  a carboxylic acid 
A)  an alcohol 
B)  an alkane 
C)  an alkyne 
D)  an alkene 
E)  a carboxylic acid

Question 2

Which pair of molecules will react similarly in the presence of an oxidant?

Accepted Answer

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

Question 3

What type of reaction is this?

Accepted Answer

A)  oxidation 
B)  reduction 
C)  combustion 
D)  hydration 
E)  dehydration 
A)  oxidation 
B)  reduction 
C)  combustion 
D)  hydration 
E)  dehydration

Question 4

Which of the following is a reason for classifying organic molecules by functional group?

Accepted Answer

A)  The reactivity of a molecule is determined by the functional groups in a molecule. 
B)  Molecules with the same functional group tend to react similarly. 
C)  A specific functional group has characteristic reactivity. 
D)  You can predict the reactivity of a molecule if you know the functional groups that it contains. 
E)  All of the above are reasons. 
A)  The reactivity of a molecule is determined by the functional groups in a molecule. 
B)  Molecules with the same functional group tend to react similarly. 
C)  A specific functional group has characteristic reactivity. 
D)  You can predict the reactivity of a molecule if you know the functional groups that it contains. 
E)  All of the above are reasons.

Question 5

An ester, thioester, or amide can all undergo hydrolysis.Which characteristic do these three reactions have in common?

Accepted Answer

A)  All produce water. 
B)  All produce a carboxylic acid or carboxylate ion. 
C)  All require a strong acid to occur. 
D)  All are very unfavorable. 
E)  All are very fast reactions. 
A)  All produce water. 
B)  All produce a carboxylic acid or carboxylate ion. 
C)  All require a strong acid to occur. 
D)  All are very unfavorable. 
E)  All are very fast reactions.

Question 6

Sorbitol is a sweetener often used in chewing gum and diet drinks.It is obtained by the following reaction.Is glucose oxidized or reduced during the reaction?

Accepted Answer

A)  It is oxidized. 
B)  It is reduced. 
C)  It is neither oxidized nor reduced. 
D)  It is both oxidized and reduced. 
E)  Many different reactions occur. 
A)  It is oxidized. 
B)  It is reduced. 
C)  It is neither oxidized nor reduced. 
D)  It is both oxidized and reduced. 
E)  Many different reactions occur.

Question 7

Which statement BEST describes a similarity between a hydration and a dehydration reaction?

Accepted Answer

A)  They both involve hydrogen. 
B)  They both involve addition to a double bond. 
C)  They both result in splitting a molecule. 
D)  The both result in forming one molecule from two. 
E)  They both involve water. 
A)  They both involve hydrogen. 
B)  They both involve addition to a double bond. 
C)  They both result in splitting a molecule. 
D)  The both result in forming one molecule from two. 
E)  They both involve water.

Question 8

The reaction of fatty acid A is an example of a(n)

Accepted Answer

A)  neutralization. 
B)  combustion. 
C)  oxidation. 
D)  reduction. 
E)  condensation. 
A)  neutralization. 
B)  combustion. 
C)  oxidation. 
D)  reduction. 
E)  condensation.

Question 9

Which of the following statements describes the processes that can occur during reduction? I.Loss of electrons
II)Gain of electrons
III)Loss of oxygens
IV)Loss of hydrogens

Accepted Answer

A)  II only 
B)  I only 
C)  I and III 
D)  II and IV 
E)  II and III 
A)  II only 
B)  I only 
C)  I and III 
D)  II and IV 
E)  II and III

Question 10

An oxidation-reduction reaction is the transfer of

Accepted Answer

A)  methyl groups. 
B)  phosphate groups. 
C)  protons. 
D)  electrons. 
E)  oxygen atoms. 
A)  methyl groups. 
B)  phosphate groups. 
C)  protons. 
D)  electrons. 
E)  oxygen atoms.

Question 11

The reaction of a carboxylic acid and an alcohol in the presence of a catalyst produces an ester and a molecule of water.Which of the labeled atoms below are involved in making the molecule of water?

Accepted Answer

A)  atoms a and d 
B)  atoms b and d 
C)  atoms b, c, and d 
D)  atoms a, c, and d 
E)  atoms c, d, and e 
A)  atoms a and d 
B)  atoms b and d 
C)  atoms b, c, and d 
D)  atoms a, c, and d 
E)  atoms c, d, and e

Question 12

Which reaction is the saponification of a fat?

Accepted Answer

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

Question 13

The term substrate refers to the _________ in a biochemical reaction.

Accepted Answer

A)  reactant 
B)  product 
C)  catalyst 
D)  coenzyme 
E)  enzyme 
A)  reactant 
B)  product 
C)  catalyst 
D)  coenzyme 
E)  enzyme

Question 14

Which reaction is used in making soap?

Accepted Answer

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

Question 15

Which statement describes a difference between FAD/FADH2 and NAD+/NADH?

Accepted Answer

A)  FAD/FADH2 is an enzyme, and NAD+/NADH is not. 
B)  FAD/FADH2 is a coenzyme, and NAD+/NADH is not. 
C)  FAD/FADH2 is found in cells of the body, and NAD+/NADH is not. 
D)  FAD/FADH2 is involved in reactions of alkenes, and NAD+/NADH is involved in reactions of C-O bonds. 
E)  FAD/FADH2 and NAD+/NADH are identical. 
A)  FAD/FADH2 is an enzyme, and NAD+/NADH is not. 
B)  FAD/FADH2 is a coenzyme, and NAD+/NADH is not. 
C)  FAD/FADH2 is found in cells of the body, and NAD+/NADH is not. 
D)  FAD/FADH2 is involved in reactions of alkenes, and NAD+/NADH is involved in reactions of C-O bonds. 
E)  FAD/FADH2 and NAD+/NADH are identical.

Question 16

What is the product of this esterification reaction?   ​

Accepted Answer

A)  choice a, no reaction 
B)  product b 
C)  product c 
D)  product d 
E)  product e 
A)  choice a, no reaction 
B)  product b 
C)  product c 
D)  product d 
E)  product e

Question 17

What is the product of the following reaction?

Accepted Answer

A)  no reaction 
B)    
C)    
D)    
E)    
A)  no reaction 
B)    
C)    
D)    
E)

Question 18

When unsaturated fatty acids are hydrogenated, an isomerization reaction sometimes occurs producing

Accepted Answer

A)  saturated fatty acids. 
B)  unsaturated fatty acid. 
C)  cis fats. 
D)  trans fats. 
E)  carboxylate ions. 
A)  saturated fatty acids. 
B)  unsaturated fatty acid. 
C)  cis fats. 
D)  trans fats. 
E)  carboxylate ions.

Question 19

What are the products of the following reaction?

Accepted Answer

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

Question 20

Sorbitol is a sweetener often used in chewing gum and diet drinks.It is obtained by the following reaction.Which functional group transformation occurs during this reaction?

Accepted Answer

A)  The aldehyde becomes an alcohol. 
B)  An alcohol becomes an aldehyde. 
C)  An alcohol disappears. 
D)  A new aldehyde appears. 
E)  All of the above occur. 
A)  The aldehyde becomes an alcohol. 
B)  An alcohol becomes an aldehyde. 
C)  An alcohol disappears. 
D)  A new aldehyde appears. 
E)  All of the above occur.

Which functional group can be oxidized but not reduced?

Which pair of molecules will react similarly in the presence of an oxidant?

What type of reaction is this?

Which of the following is a reason for classifying organic molecules by functional group?

An ester, thioester, or amide can all undergo hydrolysis.Which characteristic do these three reactions have in common?

Sorbitol is a sweetener often used in chewing gum and diet drinks.It is obtained by the following reaction.Is glucose oxidized or reduced during the reaction?

Which statement BEST describes a similarity between a hydration and a dehydration reaction?

The reaction of fatty acid A is an example of a(n)

Which of the following statements describes the processes that can occur during reduction? I.Loss of electrons II)Gain of electrons III)Loss of oxygens IV)Loss of hydrogens

An oxidation-reduction reaction is the transfer of

The reaction of a carboxylic acid and an alcohol in the presence of a catalyst produces an ester and a molecule of water.Which of the labeled atoms below are involved in making the molecule of water?

Which reaction is the saponification of a fat?

The term substrate refers to the _________ in a biochemical reaction.

Which reaction is used in making soap?

Which statement describes a difference between FAD/FADH₂ and NAD⁺/NADH?

What is the product of this esterification reaction?

What is the product of the following reaction?

When unsaturated fatty acids are hydrogenated, an isomerization reaction sometimes occurs producing

What are the products of the following reaction?

Sorbitol is a sweetener often used in chewing gum and diet drinks.It is obtained by the following reaction.Which functional group transformation occurs during this reaction?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 13: The Common Organic Reactions in Biochemistry

Which functional group can be oxidized but not reduced?

Which pair of molecules will react similarly in the presence of an oxidant?

What type of reaction is this?

Which of the following is a reason for classifying organic molecules by functional group?

An ester, thioester, or amide can all undergo hydrolysis.Which characteristic do these three reactions have in common?

Sorbitol is a sweetener often used in chewing gum and diet drinks.It is obtained by the following reaction.Is glucose oxidized or reduced during the reaction?

Which statement BEST describes a similarity between a hydration and a dehydration reaction?

The reaction of fatty acid A is an example of a(n)

Which of the following statements describes the processes that can occur during reduction? I.Loss of electrons II)Gain of electrons III)Loss of oxygens IV)Loss of hydrogens

An oxidation-reduction reaction is the transfer of

The reaction of a carboxylic acid and an alcohol in the presence of a catalyst produces an ester and a molecule of water.Which of the labeled atoms below are involved in making the molecule of water?

Which reaction is the saponification of a fat?

The term substrate refers to the _________ in a biochemical reaction.

Which reaction is used in making soap?

Which statement describes a difference between FAD/FADH2 and NAD+/NADH?

What is the product of this esterification reaction? ​

What is the product of the following reaction?

When unsaturated fatty acids are hydrogenated, an isomerization reaction sometimes occurs producing

What are the products of the following reaction?

Sorbitol is a sweetener often used in chewing gum and diet drinks.It is obtained by the following reaction.Which functional group transformation occurs during this reaction?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Which statement describes a difference between FAD/FADH₂ and NAD⁺/NADH?

What is the product of this esterification reaction?