Question 1

In the molecule 3,3-dimethylhexane,carbon number two is

Accepted Answer

A) primary. 
B) secondary. 
C) tertiary. 
D) quaternary. 
E) none of the above 
A) primary. 
B) secondary. 
C) tertiary. 
D) quaternary. 
E) none of the above

Question 2

Which of the following statements about alkyl groups is incorrect?

Accepted Answer

A) An alkyl group with four carbon atoms would include butyl in its name. 
B) C2H5 is an example. 
C) In naming,they are used as prefixes and have a "yl" ending. 
D) They are derived from alkenes. 
E) none of the above 
A) An alkyl group with four carbon atoms would include butyl in its name. 
B) C2H5 is an example. 
C) In naming,they are used as prefixes and have a "yl" ending. 
D) They are derived from alkenes. 
E) none of the above

Question 3

The alcohol functional group has

Accepted Answer

A) a carbon-carbon triple bond. 
B) a carbon-oxygen-hydrogen group. 
C) a six-membered ring with three double bonds. 
D) a double bond between carbon and oxygen. 
E) one or more bonds between carbon and nitrogen. 
A) a carbon-carbon triple bond. 
B) a carbon-oxygen-hydrogen group. 
C) a six-membered ring with three double bonds. 
D) a double bond between carbon and oxygen. 
E) one or more bonds between carbon and nitrogen.

Question 4

The condensed structure of 2,2,4,4-tetramethylheptane is ________.

Accepted Answer

A) 
  
B) CH3 CH3 CH2CH3CH2CH2CH2CH3 
C) 
  
D) 
  
E) 
  
A) 
  
B) CH3 CH3 CH2CH3CH2CH2CH2CH3 
C) 
  
D) 
  
E)

Question 5

How many carbon atoms are there in the longest continuous chain of the molecule shown?
(CH3)2CH(CH2)5CH3

Accepted Answer

A) 9 
B) 8 
C) 7 
D) 5 
E) cannot be determined without additional information 
A) 9 
B) 8 
C) 7 
D) 5 
E) cannot be determined without additional information

Question 6

The family of organic compounds with functional groups that do not consist only of hydrocarbons is

Accepted Answer

A) aldehydes. 
B) alkanes. 
C) alkenes. 
D) alkynes. 
E) aromatics. 
A) aldehydes. 
B) alkanes. 
C) alkenes. 
D) alkynes. 
E) aromatics.

Question 7

The name of the following structure will include the following parent name:

Accepted Answer

A) ethane 
B) butane 
C) hexane 
D) octane 
E) pentane 
A) ethane 
B) butane 
C) hexane 
D) octane 
E) pentane

Question 8

A correct name for the following compound is ________.

Accepted Answer

A) 1-bromo-3-ethyl-1-methylcyclopropane 
B) 1-bromo-2-ethyl-1-methylcyclopropane 
C) 1-bromo-1-ethyl-2-methylcyclopropane 
D) 2-bromo-1-ethyl-2-methylcyclopropane 
E) 1-bromo-3-ethyl-3-methylcyclopropane 
A) 1-bromo-3-ethyl-1-methylcyclopropane 
B) 1-bromo-2-ethyl-1-methylcyclopropane 
C) 1-bromo-1-ethyl-2-methylcyclopropane 
D) 2-bromo-1-ethyl-2-methylcyclopropane 
E) 1-bromo-3-ethyl-3-methylcyclopropane

Question 9

What is the IUPAC name of the molecule shown?

Accepted Answer

A) dimethylcyclobutane 
B) cyclohexane 
C) 1,2-dimethylcyclobutane 
D) 2,3-dimethylcyclobutane 
E) 3,4-dimethylcyclobutane 
A) dimethylcyclobutane 
B) cyclohexane 
C) 1,2-dimethylcyclobutane 
D) 2,3-dimethylcyclobutane 
E) 3,4-dimethylcyclobutane

Question 10

Which of the following properties is not characteristic of alkanes?

Accepted Answer

A) Their melting points increase with molecular weight. 
B) They are generally less dense than water. 
C) They are tasteless and colorless. 
D) They are nontoxic. 
E) They form strong hydrogen bonds. 
A) Their melting points increase with molecular weight. 
B) They are generally less dense than water. 
C) They are tasteless and colorless. 
D) They are nontoxic. 
E) They form strong hydrogen bonds.

Question 11

Match the name of the functional group with the molecule which correctly illustrates it.
-ketone

Accepted Answer

A) CH3CH2Br 
B)   
C)   
D)   
E)  
F) 
G) 
H)C  C   OC   C  
I) 
J)  
A) CH3CH2Br 
B)   
C)   
D)   
E)  
F) 
G) 
H)C  C   OC   C  
I) 
J)

Question 12

Match the name of the functional group with the molecule which correctly illustrates it.
-carboxylic acid

Accepted Answer

A) CH3CH2Br 
B)   
C)   
D)   
E)  
F) 
G) 
H)C  C   OC   C  
I) 
J)  
A) CH3CH2Br 
B)   
C)   
D)   
E)  
F) 
G) 
H)C  C   OC   C  
I) 
J)

Question 13

The functional group illustrated below is an

Accepted Answer

A) alcohol. 
B) amide. 
C) ether. 
D) ester. 
E) amine. 
A) alcohol. 
B) amide. 
C) ether. 
D) ester. 
E) amine.

Question 14

What is the IUPAC name of the molecule shown?

Accepted Answer

A) dimethylcyclobutane 
B) cyclohexane 
C) 1,2-dimethylcyclobutane 
D) 1,1-dimethylcyclobutane 
E) 2,2-dimethylcyclobutane 
A) dimethylcyclobutane 
B) cyclohexane 
C) 1,2-dimethylcyclobutane 
D) 1,1-dimethylcyclobutane 
E) 2,2-dimethylcyclobutane

Question 15

The various shapes taken on by an organic molecule are known as ________.

Accepted Answer

A) conformations 
B) constitutional isomers 
C) preferential isomers 
D) configurations 
E) none of the above 
A) conformations 
B) constitutional isomers 
C) preferential isomers 
D) configurations 
E) none of the above

Question 16

Two or more compounds with the same molecular formula but with the atoms connected differently are referred to as

Accepted Answer

A) normal alkanes. 
B) branched alkanes. 
C) functional groups. 
D) constitutional isomers. 
E) conformations. 
A) normal alkanes. 
B) branched alkanes. 
C) functional groups. 
D) constitutional isomers. 
E) conformations.

Question 17

Explain the term "functional group." How do organic chemists use the functional group concept?

Accepted Answer

A functional group is a group of atoms w

Question 18

Which family of organic compounds does not contain any multiple bonds?

Accepted Answer

A) alkyl halides 
B) alkenes 
C) alkynes 
D) aldehydes 
E) ketones 
A) alkyl halides 
B) alkenes 
C) alkynes 
D) aldehydes 
E) ketones

Question 19

The carbon skeleton of an alkane is shown below.How many hydrogen atoms are bonded to the carbon marked with a *?

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
E) 4 
A) 0 
B) 1 
C) 2 
D) 3 
E) 4

Question 20

Which atom is most likely to form a polar covalent bond with carbon?

Accepted Answer

A) C 
B) H 
C) Na 
D) S 
E) O 
A) C 
B) H 
C) Na 
D) S 
E) O

Exam 12: Introduction to Organic Chemistry: Alkanes

In the molecule 3,3-dimethylhexane,carbon number two is

Which of the following statements about alkyl groups is incorrect?

The alcohol functional group has

The condensed structure of 2,2,4,4-tetramethylheptane is ________.

How many carbon atoms are there in the longest continuous chain of the molecule shown? (CH3)2CH(CH2)5CH3

The family of organic compounds with functional groups that do not consist only of hydrocarbons is

The name of the following structure will include the following parent name:

A correct name for the following compound is ________.

What is the IUPAC name of the molecule shown?

Which of the following properties is not characteristic of alkanes?

Match the name of the functional group with the molecule which correctly illustrates it. -ketone

Match the name of the functional group with the molecule which correctly illustrates it. -carboxylic acid

The functional group illustrated below is an

What is the IUPAC name of the molecule shown?

The various shapes taken on by an organic molecule are known as ________.

Two or more compounds with the same molecular formula but with the atoms connected differently are referred to as

Explain the term "functional group." How do organic chemists use the functional group concept?

Which family of organic compounds does not contain any multiple bonds?

The carbon skeleton of an alkane is shown below.How many hydrogen atoms are bonded to the carbon marked with a *?

Which atom is most likely to form a polar covalent bond with carbon?

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Amines

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

The Generation of Biochemical Energy

Carbohydrates

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Protein and Amino Acid Metabolism

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters

How many carbon atoms are there in the longest continuous chain of the molecule shown? (CH₃)₂CH(CH₂)₅CH₃