Question 1

Which of the following compounds could have the molecular formula C7H16?

Accepted Answer

A) pentane 
B) hexane 
C) 2-methylheptane 
D) 3-ethylhexane 
E) 2,3-dimethylpentane 
A) pentane 
B) hexane 
C) 2-methylheptane 
D) 3-ethylhexane 
E) 2,3-dimethylpentane

Question 2

What is the molecular formula of benzene?

Accepted Answer

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

Question 3

What is the name for the following?

Accepted Answer

A) dimethylbutane 
B) hexane 
C) 2-dimethylbutane 
D) 2,2-dimethylbutane 
E) 3,3-dimethylbutane 
A) dimethylbutane 
B) hexane 
C) 2-dimethylbutane 
D) 2,2-dimethylbutane 
E) 3,3-dimethylbutane

Question 4

The balanced equation for the complete combustion of   will give which of these product(s)?

Accepted Answer

A)    
B)    
C)    
D)    
E)   10CO + 12H2O 
A)    
B)    
C)    
D)    
E)   10CO + 12H2O

Question 5

According to the IUPAC convention, alkyl group names should be located ________ of the name of the main chain.

Accepted Answer

A) at the end 
B) in front 
C) in the middle 
A) at the end 
B) in front 
C) in the middle

Question 6

Which of the following is NOT typical of most organic compounds?

Accepted Answer

A) high melting point 
B) covalent bonding 
C) poor solubility in water 
D) high flammability 
E) low boiling point 
A) high melting point 
B) covalent bonding 
C) poor solubility in water 
D) high flammability 
E) low boiling point

Question 7

What is the IUPAC name for the following?

Accepted Answer

A) 2-chlorobutane 
B) 3-chlorobutane 
C) chlorobutane 
D) 2-chloropropane 
E) 1-chlorobutane 
A) 2-chlorobutane 
B) 3-chlorobutane 
C) chlorobutane 
D) 2-chloropropane 
E) 1-chlorobutane

Question 8

What is the IUPAC name of this compound?

Accepted Answer

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

Question 9

Which of the following is a property of nonane,   which has a density of  0.79 g/mL, melts at   and boils at

Accepted Answer

A)  Nonane does not undergo combustion. 
B)  Nonane solutions conduct electricity. 
C)  Nonane is not soluble in water. 
D)  Nonane is a gas at room temperature. 
E)  Nonane sinks in water. 
A)  Nonane does not undergo combustion. 
B)  Nonane solutions conduct electricity. 
C)  Nonane is not soluble in water. 
D)  Nonane is a gas at room temperature. 
E)  Nonane sinks in water.

Question 10

According to the IUPAC convention, alkyl substituents on a hydrocarbon chain should be listed in which order?

Accepted Answer

A) in order with the substituent having the lowest number of carbons first 
B) alphabetical without considering prefixes 
C) in order with the substituent having the highest total number of carbons first 
D) alphabetical including prefixes 
E) in order with the substituent having the highest number of carbons first 
A) in order with the substituent having the lowest number of carbons first 
B) alphabetical without considering prefixes 
C) in order with the substituent having the highest total number of carbons first 
D) alphabetical including prefixes 
E) in order with the substituent having the highest number of carbons first

Question 11

The reaction of an alkene and water in the presence of an acid catalyst to produce an alcohol is called

Accepted Answer

A) hydrohydration. 
B) halogenation. 
C) hydrolysis. 
D) hydration. 
E) alkoholysis. 
A) hydrohydration. 
B) halogenation. 
C) hydrolysis. 
D) hydration. 
E) alkoholysis.

Question 12

What is the name of the compound below?

Accepted Answer

A) dichlorobenzene 
B) 1,2-dichlorobenzene 
C) 1,3-dichlorobenzene 
D) 1,4-dichlorobenzene 
E) 1,5-dichlorobenzene 
A) dichlorobenzene 
B) 1,2-dichlorobenzene 
C) 1,3-dichlorobenzene 
D) 1,4-dichlorobenzene 
E) 1,5-dichlorobenzene

Question 13

What is the IUPAC name for a three-carbon alkyl group?

Accepted Answer

A) methyl 
B) ethyl 
C) propyl 
D) butyl 
E) pentyl 
A) methyl 
B) ethyl 
C) propyl 
D) butyl 
E) pentyl

Question 14

Which of the following would result from the polymerization of ethene?

Accepted Answer

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

Question 15

Long-chain molecules that consist of many repeating units are called

Accepted Answer

A) polymers. 
B) alkenes. 
C) organic compounds. 
D) alkanes. 
E) monomers. 
A) polymers. 
B) alkenes. 
C) organic compounds. 
D) alkanes. 
E) monomers.

Question 16

Which of the following is true of nonane,   which has a density of  0.79 g/mL , melts at   and boils at

Accepted Answer

A) Nonane is soluble in water. 
B) Nonane does not undergo combustion. 
C) Nonane is a solid at room temperature. 
D) Nonane is a gas at room temperature. 
E) Nonane floats on the surface of water. 
A) Nonane is soluble in water. 
B) Nonane does not undergo combustion. 
C) Nonane is a solid at room temperature. 
D) Nonane is a gas at room temperature. 
E) Nonane floats on the surface of water.

Question 17

Which of the compounds is a cycloalkene?

Accepted Answer

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

Question 18

How many valence electrons does carbon have?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
E) five 
A) one 
B) two 
C) three 
D) four 
E) five

Question 19

What is the IUPAC name of this compound?

Accepted Answer

A) cyclopentane 
B) hexane 
C) cyclohexane 
D) cycloheptane 
E) cyclooctane 
A) cyclopentane 
B) hexane 
C) cyclohexane 
D) cycloheptane 
E) cyclooctane

Question 20

VSEPR theory predicts that simple carbon compounds will form bonds that are

Accepted Answer

A) pointed to the corners of a triangle. 
B) as far apart as possible. 
C) as close together as possible. 
D) arranged in a straight line. 
E) pointed to the corners of a cube. 
A) pointed to the corners of a triangle. 
B) as far apart as possible. 
C) as close together as possible. 
D) arranged in a straight line. 
E) pointed to the corners of a cube.

Exam 12: Introduction to Organic Chemistry: Hydrocarbons

Which of the following compounds could have the molecular formula C7H16?

What is the molecular formula of benzene?

What is the name for the following?

The balanced equation for the complete combustion of will give which of these product(s)?

According to the IUPAC convention, alkyl group names should be located ________ of the name of the main chain.

Which of the following is NOT typical of most organic compounds?

What is the IUPAC name for the following?

What is the IUPAC name of this compound?

Which of the following is a property of nonane, which has a density of 0.79 g/mL, melts at and boils at

According to the IUPAC convention, alkyl substituents on a hydrocarbon chain should be listed in which order?

The reaction of an alkene and water in the presence of an acid catalyst to produce an alcohol is called

What is the name of the compound below?

What is the IUPAC name for a three-carbon alkyl group?

Which of the following would result from the polymerization of ethene?

Long-chain molecules that consist of many repeating units are called

Which of the following is true of nonane, which has a density of 0.79 g/mL , melts at and boils at

Which of the compounds is a cycloalkene?

How many valence electrons does carbon have?

What is the IUPAC name of this compound?

VSEPR theory predicts that simple carbon compounds will form bonds that are

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