Question 1

What is the IUPAC name of the compound shown?
(CH3)3CCH2CH2CH3

Accepted Answer

A) 1,1,1-trimethylbutane 
B) 2,2-dimethylpentane 
C) 2-dimethylpentane 
D) 2-ethylhexane 
E) heptane 
A) 1,1,1-trimethylbutane 
B) 2,2-dimethylpentane 
C) 2-dimethylpentane 
D) 2-ethylhexane 
E) heptane

Question 2

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

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 3

All of the following are representations of the same molecule except ________.

Accepted Answer

A) C4H8 
B) cyclobutane 
C) CH2CH2CH2CH2 
D) 
  
A) C4H8 
B) cyclobutane 
C) CH2CH2CH2CH2 
D)

Question 4

How many carbon atoms are there in the longest continuous chain of the molecule shown?
(CH3)3C(CH2)3CH3

Accepted Answer

A) 8 
B) 6 
C) 4 
D) 3 
E) cannot be determined without additional information 
A) 8 
B) 6 
C) 4 
D) 3 
E) cannot be determined without additional information

Question 5

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

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 6

Which group is the best description of the properties of alkanes?

Accepted Answer

A) flammable,reactive,water soluble 
B) non-flammable,non-polar,water soluble 
C) flammable,non-reactive,insoluble in water 
D) non-flammable,polar,reactive 
E) none of the above 
A) flammable,reactive,water soluble 
B) non-flammable,non-polar,water soluble 
C) flammable,non-reactive,insoluble in water 
D) non-flammable,polar,reactive 
E) none of the above

Question 7

Describe the unique characteristics of carbon that make it the basis of such a large number of organic compounds.

Accepted Answer

It has four valence electrons

Question 8

When an alkane reacts with an element from group 7A,the reaction is referred to as

Accepted Answer

A) combustion. 
B) decomposition. 
C) displacement. 
D) halogenation. 
E) oxidation. 
A) combustion. 
B) decomposition. 
C) displacement. 
D) halogenation. 
E) oxidation.

Question 9

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

Accepted Answer

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

Question 10

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

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 11

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

Accepted Answer

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

Question 12

What is the minimum number of carbons that must be present in a molecule to have a secondary carbon?

Accepted Answer

A) 3 
B) 1 
C) 2 
D) 4 
E) 5 
A) 3 
B) 1 
C) 2 
D) 4 
E) 5

Question 13

How many hydrogen atoms are present in the molecule shown?

Accepted Answer

A) 6 
B) 18 
C) 14 
D) 16 
E) 12 
A) 6 
B) 18 
C) 14 
D) 16 
E) 12

Question 14

What is the IUPAC name of the compound shown?

Accepted Answer

A) 4-propyldecane 
B) 4-isopropyldecane 
C) 3-hexyl-2-methylhexane 
D) 4-isobutyldecane 
E) 4-sec-butyldecane 
A) 4-propyldecane 
B) 4-isopropyldecane 
C) 3-hexyl-2-methylhexane 
D) 4-isobutyldecane 
E) 4-sec-butyldecane

Question 15

Which family of organic molecules is a hydrocarbon?

Accepted Answer

A) alcohol 
B) aldehyde 
C) amide 
D) amine 
E) aromatic 
A) alcohol 
B) aldehyde 
C) amide 
D) amine 
E) aromatic

Question 16

Which of the following line structures are of the same compound?

Accepted Answer

A) I and II 
B) I and III 
C) II and IV 
D) All of them are the same. 
A) I and II 
B) I and III 
C) II and IV 
D) All of them are the same.

Question 17

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

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 18

When hydrocarbons undergo incomplete combustion,the product(s)is(are)

Accepted Answer

A) CO2 and O2. 
B) CO,H2O and soot. 
C) CO2 and H2O. 
D) H2O and O2. 
E) H2O. 
A) CO2 and O2. 
B) CO,H2O and soot. 
C) CO2 and H2O. 
D) H2O and O2. 
E) H2O.

Question 19

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

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 20

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

Exam 12: Introduction to Organic Chemistry: Alkanes

What is the IUPAC name of the compound shown? (CH3)3CCH2CH2CH3

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

All of the following are representations of the same molecule except ________.

How many carbon atoms are there in the longest continuous chain of the molecule shown? (CH3)3C(CH2)3CH3

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

Which group is the best description of the properties of alkanes?

Describe the unique characteristics of carbon that make it the basis of such a large number of organic compounds.

When an alkane reacts with an element from group 7A,the reaction is referred to as

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

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

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

What is the minimum number of carbons that must be present in a molecule to have a secondary carbon?

How many hydrogen atoms are present in the molecule shown?

What is the IUPAC name of the compound shown?

Which family of organic molecules is a hydrocarbon?

Which of the following line structures are of the same compound?

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

When hydrocarbons undergo incomplete combustion,the product(s)is(are)

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

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

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

What is the IUPAC name of the compound shown? (CH₃)₃CCH₂CH₂CH₃

How many carbon atoms are there in the longest continuous chain of the molecule shown? (CH₃)₃C(CH₂)₃CH₃