Question 1

Which element accounts for the largest percentage of the earth's crust?

Accepted Answer

A)  carbon 
B)  nitrogen 
C)  oxygen 
D)  silicon 
A)  carbon 
B)  nitrogen 
C)  oxygen 
D)  silicon C

Question 2

Which of the following is an example of a carboxylic acid?

Accepted Answer

A)    
B)    
C)  both a and b 
D)  neither a nor b 
A)    
B)    
C)  both a and b 
D)  neither a nor b D

Question 3

Which of the following is an example a carboxylic ester?

Accepted Answer

A)    
B)    
C)  both a and b 
D)  neither a nor b 
A)    
B)    
C)  both a and b 
D)  neither a nor b B

Question 4

Which of the following is an example of a carboxylic acid?

Accepted Answer

A)  CH3CH2OH 
B)    
C)    
D)    
A)  CH3CH2OH 
B)    
C)    
D)

Question 5

Which of the following is an example of a secondary amine?

Accepted Answer

A)  CH3NH2 
B)  CH3CH2NH2 
C)  CH3CH2NHCH3 
D)  none of these 
A)  CH3NH2 
B)  CH3CH2NH2 
C)  CH3CH2NHCH3 
D)  none of these

Question 6

Which of the following statements about taxol is false?

Accepted Answer

A)  Taxol is no longer obtained primarily from the bark of the Pacific yew. 
B)  Taxol and paclitaxel are two different but related anticancer drugs. 
C)  Taxol has been successfully synthesized by chemists. 
D)  Taxol inhibits cell division by preventing the disassembly of microtubules. 
A)  Taxol is no longer obtained primarily from the bark of the Pacific yew. 
B)  Taxol and paclitaxel are two different but related anticancer drugs. 
C)  Taxol has been successfully synthesized by chemists. 
D)  Taxol inhibits cell division by preventing the disassembly of microtubules.

Question 7

What is the minimum number of hydrogen atoms present in a carboxylic ester?

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  6 
A)  1 
B)  2 
C)  4 
D)  6

Question 8

Which of the following classes of compounds can be categorized as primary, secondary, or tertiary?

Accepted Answer

A)  alcohols 
B)  aldehydes 
C)  carboxylic acids 
D)  ketones 
A)  alcohols 
B)  aldehydes 
C)  carboxylic acids 
D)  ketones

Question 9

Which of the following statements about taxol is false?

Accepted Answer

A)  About 1 gram can be obtained from a 100 year old tree. 
B)  It is effective in treating certain ovarian and breast cancers. 
C)  Taxol synthesized in the laboratory is identical to naturally obtained taxol. 
D)  None, all of the above are true. 
A)  About 1 gram can be obtained from a 100 year old tree. 
B)  It is effective in treating certain ovarian and breast cancers. 
C)  Taxol synthesized in the laboratory is identical to naturally obtained taxol. 
D)  None, all of the above are true.

Question 10

Which of the following statements is false?

Accepted Answer

A)  Organic chemistry involves the study of compounds which contain carbon. 
B)  Organic compounds cannot be synthesized in the laboratory. 
C)  The most common elements found in organic compounds are carbon, hydrogen, nitrogen, and oxygen. 
D)  Organic and inorganic compounds obey the same natural laws. 
A)  Organic chemistry involves the study of compounds which contain carbon. 
B)  Organic compounds cannot be synthesized in the laboratory. 
C)  The most common elements found in organic compounds are carbon, hydrogen, nitrogen, and oxygen. 
D)  Organic and inorganic compounds obey the same natural laws.

Question 11

Which of the following is generally true of most organic compounds?

Accepted Answer

A)  their bonding is covalent in nature 
B)  their aqueous solutions conduct electricity 
C)  both a and b 
D)  neither a nor b 
A)  their bonding is covalent in nature 
B)  their aqueous solutions conduct electricity 
C)  both a and b 
D)  neither a nor b

Question 12

Examine the following structure. Atoms other than carbon and hydrogen are labeled with the symbol of the element.  
-What type of functional group is present in this compound?

Accepted Answer

A)  ketone 
B)  aldehyde 
C)  ester 
D)  carboxylic acid 
A)  ketone 
B)  aldehyde 
C)  ester 
D)  carboxylic acid

Question 13

Which of the following is true of organic compounds?

Accepted Answer

A)  most are gases, liquids, or low melting solids 
B)  they represent only 5% of all known compounds 
C)  both a and b 
D)  neither a nor b 
A)  most are gases, liquids, or low melting solids 
B)  they represent only 5% of all known compounds 
C)  both a and b 
D)  neither a nor b

Question 14

Examine the following models. Atoms other than carbon and hydrogen are labeled with the symbol of the element.         A B C D
-Which of the models is in the same functional group as the compound represented below? Atoms other than carbon and hydrogen are labeled with the symbol of the element.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  None of these is in the same functional group. 
A)  A 
B)  B 
C)  C 
D)  D 
E)  None of these is in the same functional group.

Question 15

How many carboxylic acids have the molecular formula C4H8O2?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 16

How many secondary amines have the molecular formula C4H11N?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 17

Examine the following models. Atoms other than carbon and hydrogen are labeled with the symbol of the element.         A B C D
-Which model represents a derivative of a carboxylic acid?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  None of these is a derivative of a carboxylic acid. 
A)  A 
B)  B 
C)  C 
D)  D 
E)  None of these is a derivative of a carboxylic acid.

Question 18

Which of the following is an example a carboxylic ester?

Accepted Answer

A)  CH3CH2OH 
B)    
C)    
D)    
A)  CH3CH2OH 
B)    
C)    
D)

Question 19

Examine the following models. Atoms other than carbon and hydrogen are labeled with the symbol of the element.         A B C D
-Which model represents a secondary alcohol?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  None of these is a secondary alcohol. 
A)  A 
B)  B 
C)  C 
D)  D 
E)  None of these is a secondary alcohol.

Question 20

Approximately how many new organic compounds are reported each year?

Accepted Answer

A)  1000 
B)  10,000 
C)  100,000 
D)  1,000,000 
A)  1000 
B)  10,000 
C)  100,000 
D)  1,000,000

Exam 10: Organic Chemistry

Which element accounts for the largest percentage of the earth's crust?

Which of the following is an example of a carboxylic acid?

Which of the following is an example a carboxylic ester?

Which of the following is an example of a carboxylic acid?

Which of the following is an example of a secondary amine?

Which of the following statements about taxol is false?

What is the minimum number of hydrogen atoms present in a carboxylic ester?

Which of the following classes of compounds can be categorized as primary, secondary, or tertiary?

Which of the following statements about taxol is false?

Which of the following statements is false?

Which of the following is generally true of most organic compounds?

Examine the following structure. Atoms other than carbon and hydrogen are labeled with the symbol of the element. -What type of functional group is present in this compound?

Which of the following is true of organic compounds?

Examine the following models. Atoms other than carbon and hydrogen are labeled with the symbol of the element. A B C D -Which of the models is in the same functional group as the compound represented below? Atoms other than carbon and hydrogen are labeled with the symbol of the element.

How many carboxylic acids have the molecular formula C4H8O2?

How many secondary amines have the molecular formula C4H11N?

Examine the following models. Atoms other than carbon and hydrogen are labeled with the symbol of the element. A B C D -Which model represents a derivative of a carboxylic acid?

Which of the following is an example a carboxylic ester?

Examine the following models. Atoms other than carbon and hydrogen are labeled with the symbol of the element. A B C D -Which model represents a secondary alcohol?

Approximately how many new organic compounds are reported each year?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Alkanes

Alkenes and Alkynes

Benzene and Its Derivatives

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

Filters

How many carboxylic acids have the molecular formula C₄H₈O₂?

How many secondary amines have the molecular formula C₄H₁₁N?