Question 1

The reaction below illustrates oxidation of an aldehyde.

Accepted Answer

A) True 
 B)False

Question 2

In the correct order,what are the three reactions that convert all-trans-retinal into 11-cis-retinal so that the process of vision can continue?

Accepted Answer

A) Reduction,Oxidation,Isomerization 
B) Reduction,Isomerization,Oxidation 
C) Oxidation,Isomerization,Reduction 
D) Oxidation,Reduction,Isomerization 
A) Reduction,Oxidation,Isomerization 
B) Reduction,Isomerization,Oxidation 
C) Oxidation,Isomerization,Reduction 
D) Oxidation,Reduction,Isomerization

Question 3

Acetals are ethers.

Accepted Answer

A) True 
 B)False

Question 4

Aldehydes and ketones undergo addition reactions with alcohols (ROH)to form hemiacetals and acetals.

Accepted Answer

A) True 
 B)False

Question 5

What type of compound is shown below?

Accepted Answer

A) An epoxide 
B) A cyclic hemiacetal 
C) An aldehyde 
D) A cyclic acetal 
A) An epoxide 
B) A cyclic hemiacetal 
C) An aldehyde 
D) A cyclic acetal

Question 6

The Tollens reagent is which of the following?

Accepted Answer

A) K2Cr2O7 
B) H2SO4 
C) Cl2 
D) Ag2O in aqueous NH4OH 
A) K2Cr2O7 
B) H2SO4 
C) Cl2 
D) Ag2O in aqueous NH4OH

Question 7

The simplest ketone has a much higher boiling point than the simplest aldehyde.

Accepted Answer

A) True 
 B)False

Question 8

What is the name of the compound below?

Accepted Answer

A) 3-chlorobenzenal 
B) 3-methanalchlorobenzene 
C) M-chlorobenzaldehyde 
D) P-chloroacetophenone 
A) 3-chlorobenzenal 
B) 3-methanalchlorobenzene 
C) M-chlorobenzaldehyde 
D) P-chloroacetophenone

Question 9

Triamcinolone acetonide (structure shown),a synthetic corticosteroid drug,contains an acetal.

Accepted Answer

A) True 
 B)False

Question 10

In a process similar to the one characterized by glucose,the ketone below forms the indicated hemiacetal product.

Accepted Answer

A) True 
 B)False

Question 11

The IUPAC name of the compound below is 2-methyl-2-propylpropanal.

Accepted Answer

A) True 
 B)False

Question 12

What is the structure of 3-hydroxy-2-methylbenzaldehyde?

Accepted Answer

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

Question 13

The carbohydrate glucose exists predominantly as a cyclic hemiacetal.

Accepted Answer

A) True 
 B)False

Question 14

Acetals are stable molecules,but they can be converted back to aldehydes and ketones by treatment with acid and water.

Accepted Answer

A) True 
 B)False

Question 15

The ketone below produces the indicated product upon oxidation with K2Cr2O7.

Accepted Answer

A) True 
 B)False

Question 16

When light hits the retina,the 11-cis double bond of 11-cis-retinal is isomerized to its more stable trans isomer,and the all-trans-retinal is formed.

Accepted Answer

A) True 
 B)False

Question 17

What is the structure of 2-bromo-5-hydroxyheptanal?

Accepted Answer

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

Question 18

Aldehydes play an important role in the sun tanning industry as the active ingredient in commercial tanning agents that produce sunless tans.

Accepted Answer

A) True 
 B)False

Question 19

D-Glucose,shown below,will give a positive Tollens test.

Accepted Answer

A) True 
 B)False

Question 20

Which reactant would be needed to form the alcohol product shown below by a reduction reaction?

Accepted Answer

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

Exam 16: Aldehydes and Ketones

The reaction below illustrates oxidation of an aldehyde.

In the correct order,what are the three reactions that convert all-trans-retinal into 11-cis-retinal so that the process of vision can continue?

Acetals are ethers.

Aldehydes and ketones undergo addition reactions with alcohols (ROH)to form hemiacetals and acetals.

What type of compound is shown below?

The Tollens reagent is which of the following?

The simplest ketone has a much higher boiling point than the simplest aldehyde.

What is the name of the compound below?

Triamcinolone acetonide (structure shown),a synthetic corticosteroid drug,contains an acetal.

In a process similar to the one characterized by glucose,the ketone below forms the indicated hemiacetal product.

The IUPAC name of the compound below is 2-methyl-2-propylpropanal.

What is the structure of 3-hydroxy-2-methylbenzaldehyde?

The carbohydrate glucose exists predominantly as a cyclic hemiacetal.

Acetals are stable molecules,but they can be converted back to aldehydes and ketones by treatment with acid and water.

The ketone below produces the indicated product upon oxidation with K2Cr2O7.

When light hits the retina,the 11-cis double bond of 11-cis-retinal is isomerized to its more stable trans isomer,and the all-trans-retinal is formed.

What is the structure of 2-bromo-5-hydroxyheptanal?

Aldehydes play an important role in the sun tanning industry as the active ingredient in commercial tanning agents that produce sunless tans.

D-Glucose,shown below,will give a positive Tollens test.

Which reactant would be needed to form the alcohol product shown below by a reduction reaction?

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Carboxylic Acids,esters,and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Carbohydrate,lipid,and Protein Metabolism

Filters

The ketone below produces the indicated product upon oxidation with K₂Cr₂O₇.