Question 1

Which molecule can have cis-trans isomers?

Accepted Answer

A) CH3CH=C(CH3)2 
B) (CH3)2C=CHCH3 
C) (CH3)2C=C(CH3)2 
D) CH3CH=CHCl 
E) CH3CH=CCl2 
A) CH3CH=C(CH3)2 
B) (CH3)2C=CHCH3 
C) (CH3)2C=C(CH3)2 
D) CH3CH=CHCl 
E) CH3CH=CCl2

Question 2

Which of the following compounds contains an alkyne functional group?

Accepted Answer

A) CH3CH2CH2CH2CH3 
B)    
C) CH3CH(CH3)CH2CH2CH3 
D) CH3CCCH2CH3 
E) both B and D 
A) CH3CH2CH2CH2CH3 
B)    
C) CH3CH(CH3)CH2CH2CH3 
D) CH3CCCH2CH3 
E) both B and D

Question 3

The structure shown is

Accepted Answer

A) meta-xylene. 
B) para-xylene. 
C) phenol. 
D) toluene. 
E) aniline. 
A) meta-xylene. 
B) para-xylene. 
C) phenol. 
D) toluene. 
E) aniline.

Question 4

An elimination reaction can best be described as a reaction in which

Accepted Answer

A) a hydrocarbon reacts with oxygen to produce CO2,H2O,and energy. 
B) two reactants combine to form one new product with no extra atoms. 
C) a single reactant splits into two products. 
D) two reactants exchange atoms to give two new products. 
E) a single reactant undergoes reorganization of its chemical bonds,producing an isomer of the reactant. 
A) a hydrocarbon reacts with oxygen to produce CO2,H2O,and energy. 
B) two reactants combine to form one new product with no extra atoms. 
C) a single reactant splits into two products. 
D) two reactants exchange atoms to give two new products. 
E) a single reactant undergoes reorganization of its chemical bonds,producing an isomer of the reactant.

Question 5

Match the following.
-ortho-xylene

Accepted Answer

A) another name for 1,2-dichlorobenzene 
B) the common name for 1,2-dimethlybenzene 
C) another name for 1,3-dichlorobenzene 
D) the common name for aminobenzene 
E) the common name for hydroxybenzene
F)the term used when a benzene ring is a side chain or substituent group;abbreviated as C6H5-
G)another name for 1,4-dichlorobenzene
H)a term describing a hydrocarbon in which additional C-H bonds can be formed
I)a simple molecule that can be joined with many others to form a large molecule
J)a concept used to describe a molecular structure as an average of two or more similar structures
K)a term describing a hydrocarbon which has the maximum number of C-H bonds possible
L)refers to a class of compounds containing a specific 6-membered ring structure with delocalized electrons
M)a large molecule made from many smaller molecules,often of only one or two kinds 
A) another name for 1,2-dichlorobenzene 
B) the common name for 1,2-dimethlybenzene 
C) another name for 1,3-dichlorobenzene 
D) the common name for aminobenzene 
E) the common name for hydroxybenzene
F)the term used when a benzene ring is a side chain or substituent group;abbreviated as C6H5-
G)another name for 1,4-dichlorobenzene
H)a term describing a hydrocarbon in which additional C-H bonds can be formed
I)a simple molecule that can be joined with many others to form a large molecule
J)a concept used to describe a molecular structure as an average of two or more similar structures
K)a term describing a hydrocarbon which has the maximum number of C-H bonds possible
L)refers to a class of compounds containing a specific 6-membered ring structure with delocalized electrons
M)a large molecule made from many smaller molecules,often of only one or two kinds

Question 6

The concept that explains the properties of aromatic compounds based on a structure that is an average among two possible structures is

Accepted Answer

A) double bonding. 
B) oxidation. 
C) resonance. 
D) cis-trans isomerism. 
E) polymerization. 
A) double bonding. 
B) oxidation. 
C) resonance. 
D) cis-trans isomerism. 
E) polymerization.

Question 7

Markovnikov's Rule refers to the

Accepted Answer

A) orientation an unsymmetrical reagent will take when added to an unsymmetrical alkene. 
B) temperature difference observed in the boiling points of cis and trans alkenes. 
C) rate of hydrogen addition to an alkene with alkyl group substituents. 
D) color of a molecule containing multiple double bonds. 
E) ideal bond angle between substituents on a double bond. 
A) orientation an unsymmetrical reagent will take when added to an unsymmetrical alkene. 
B) temperature difference observed in the boiling points of cis and trans alkenes. 
C) rate of hydrogen addition to an alkene with alkyl group substituents. 
D) color of a molecule containing multiple double bonds. 
E) ideal bond angle between substituents on a double bond.

Question 8

Match the following.
-resonance

Accepted Answer

A) another name for 1,2-dichlorobenzene 
B) the common name for 1,2-dimethlybenzene 
C) another name for 1,3-dichlorobenzene 
D) the common name for aminobenzene 
E) the common name for hydroxybenzene
F)the term used when a benzene ring is a side chain or substituent group;abbreviated as C6H5-
G)another name for 1,4-dichlorobenzene
H)a term describing a hydrocarbon in which additional C-H bonds can be formed
I)a simple molecule that can be joined with many others to form a large molecule
J)a concept used to describe a molecular structure as an average of two or more similar structures
K)a term describing a hydrocarbon which has the maximum number of C-H bonds possible
L)refers to a class of compounds containing a specific 6-membered ring structure with delocalized electrons
M)a large molecule made from many smaller molecules,often of only one or two kinds 
A) another name for 1,2-dichlorobenzene 
B) the common name for 1,2-dimethlybenzene 
C) another name for 1,3-dichlorobenzene 
D) the common name for aminobenzene 
E) the common name for hydroxybenzene
F)the term used when a benzene ring is a side chain or substituent group;abbreviated as C6H5-
G)another name for 1,4-dichlorobenzene
H)a term describing a hydrocarbon in which additional C-H bonds can be formed
I)a simple molecule that can be joined with many others to form a large molecule
J)a concept used to describe a molecular structure as an average of two or more similar structures
K)a term describing a hydrocarbon which has the maximum number of C-H bonds possible
L)refers to a class of compounds containing a specific 6-membered ring structure with delocalized electrons
M)a large molecule made from many smaller molecules,often of only one or two kinds

Question 9

When 2-butene reacts completely with bromine,the product is

Accepted Answer

A) 2-bromobutane. 
B) 3-bromobutane. 
C) 1,2-dibromobutane. 
D) 1,3-dibromobutane. 
E) 2,3-dibromobutane. 
A) 2-bromobutane. 
B) 3-bromobutane. 
C) 1,2-dibromobutane. 
D) 1,3-dibromobutane. 
E) 2,3-dibromobutane.

Question 10

Which of the following reagents could be used to convert 2-butene to butane?

Accepted Answer

A) Cl2 
B) HCl 
C) H2,Pd 
D) H2O 
E) H2SO4 
A) Cl2 
B) HCl 
C) H2,Pd 
D) H2O 
E) H2SO4

Question 11

Which of the following is a correct line bond structure for 2,3-dimethyl-3-hexene?

Accepted Answer

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

Question 12

This question has three parts:
A) Sketch the carbon skeleton of 2,5-hexadiene.
B) Explain why this name is not correct.
C) Give the correct name and molecular formula of the compound with the carbon skeleton you drew.

Accepted Answer

A) C-C=C-C-C=C
B) This name is not corre

Question 13

Match the following.
-phenyl

Accepted Answer

A) another name for 1,2-dichlorobenzene 
B) the common name for 1,2-dimethlybenzene 
C) another name for 1,3-dichlorobenzene 
D) the common name for aminobenzene 
E) the common name for hydroxybenzene
F)the term used when a benzene ring is a side chain or substituent group;abbreviated as C6H5-
G)another name for 1,4-dichlorobenzene
H)a term describing a hydrocarbon in which additional C-H bonds can be formed
I)a simple molecule that can be joined with many others to form a large molecule
J)a concept used to describe a molecular structure as an average of two or more similar structures
K)a term describing a hydrocarbon which has the maximum number of C-H bonds possible
L)refers to a class of compounds containing a specific 6-membered ring structure with delocalized electrons
M)a large molecule made from many smaller molecules,often of only one or two kinds 
A) another name for 1,2-dichlorobenzene 
B) the common name for 1,2-dimethlybenzene 
C) another name for 1,3-dichlorobenzene 
D) the common name for aminobenzene 
E) the common name for hydroxybenzene
F)the term used when a benzene ring is a side chain or substituent group;abbreviated as C6H5-
G)another name for 1,4-dichlorobenzene
H)a term describing a hydrocarbon in which additional C-H bonds can be formed
I)a simple molecule that can be joined with many others to form a large molecule
J)a concept used to describe a molecular structure as an average of two or more similar structures
K)a term describing a hydrocarbon which has the maximum number of C-H bonds possible
L)refers to a class of compounds containing a specific 6-membered ring structure with delocalized electrons
M)a large molecule made from many smaller molecules,often of only one or two kinds

Question 14

A substitution reaction can best be described as a reaction in which

Accepted Answer

A) a hydrocarbon reacts with oxygen to produce CO2,H2O,and energy. 
B) two reactants combine to form one new product with no extra atoms. 
C) a single reactant splits into two products. 
D) two reactants exchange atoms to give two new products. 
E) a single reactant undergoes reorganization of its chemical bonds,producing an isomer of the reactant. 
A) a hydrocarbon reacts with oxygen to produce CO2,H2O,and energy. 
B) two reactants combine to form one new product with no extra atoms. 
C) a single reactant splits into two products. 
D) two reactants exchange atoms to give two new products. 
E) a single reactant undergoes reorganization of its chemical bonds,producing an isomer of the reactant.

Question 15

Predict the product of the following reaction:

Accepted Answer

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

Question 16

Match the following.
-aniline

Accepted Answer

A) another name for 1,2-dichlorobenzene 
B) the common name for 1,2-dimethlybenzene 
C) another name for 1,3-dichlorobenzene 
D) the common name for aminobenzene 
E) the common name for hydroxybenzene
F)the term used when a benzene ring is a side chain or substituent group;abbreviated as C6H5-
G)another name for 1,4-dichlorobenzene
H)a term describing a hydrocarbon in which additional C-H bonds can be formed
I)a simple molecule that can be joined with many others to form a large molecule
J)a concept used to describe a molecular structure as an average of two or more similar structures
K)a term describing a hydrocarbon which has the maximum number of C-H bonds possible
L)refers to a class of compounds containing a specific 6-membered ring structure with delocalized electrons
M)a large molecule made from many smaller molecules,often of only one or two kinds 
A) another name for 1,2-dichlorobenzene 
B) the common name for 1,2-dimethlybenzene 
C) another name for 1,3-dichlorobenzene 
D) the common name for aminobenzene 
E) the common name for hydroxybenzene
F)the term used when a benzene ring is a side chain or substituent group;abbreviated as C6H5-
G)another name for 1,4-dichlorobenzene
H)a term describing a hydrocarbon in which additional C-H bonds can be formed
I)a simple molecule that can be joined with many others to form a large molecule
J)a concept used to describe a molecular structure as an average of two or more similar structures
K)a term describing a hydrocarbon which has the maximum number of C-H bonds possible
L)refers to a class of compounds containing a specific 6-membered ring structure with delocalized electrons
M)a large molecule made from many smaller molecules,often of only one or two kinds

Question 17

What is the IUPAC name of the compound shown?

Accepted Answer

A) trans-4,6-dimethyl-2-heptene 
B) cis-4,6-dimethyl-2-heptene 
C) trans-2-nonene 
D) cis-2-nonene 
E) trans-2,4-dimethyl-5-heptene 
A) trans-4,6-dimethyl-2-heptene 
B) cis-4,6-dimethyl-2-heptene 
C) trans-2-nonene 
D) cis-2-nonene 
E) trans-2,4-dimethyl-5-heptene

Question 18

The most common reactions involving aromatics are ________ reactions.

Accepted Answer

A) addition 
B) elimination 
C) oxidation 
D) reduction 
E) substitution 
A) addition 
B) elimination 
C) oxidation 
D) reduction 
E) substitution

Question 19

A rearrangement reaction can best be described as a reaction in which

Accepted Answer

A) a hydrocarbon reacts with oxygen to produce CO2,H2O,and energy. 
B) two reactants combine to form one new product with no extra atoms. 
C) a single reactant splits into two products. 
D) two reactants exchange atoms to give two new products. 
E) a single reactant undergoes reorganization of its chemical bonds,producing an isomer of the reactant. 
A) a hydrocarbon reacts with oxygen to produce CO2,H2O,and energy. 
B) two reactants combine to form one new product with no extra atoms. 
C) a single reactant splits into two products. 
D) two reactants exchange atoms to give two new products. 
E) a single reactant undergoes reorganization of its chemical bonds,producing an isomer of the reactant.

Question 20

Which phrase most accurately describes the structure common to all aromatic compounds?

Accepted Answer

A) a six-membered ring with 3 double and 3 single bonds 
B) a ring described as 1,3,5-hexatriene 
C) identical bonds between all 6 carbon atoms,with 6 electrons moving freely 
D) a six-membered ring with easily broken carbon-carbon bonds 
E) none of the above 
A) a six-membered ring with 3 double and 3 single bonds 
B) a ring described as 1,3,5-hexatriene 
C) identical bonds between all 6 carbon atoms,with 6 electrons moving freely 
D) a six-membered ring with easily broken carbon-carbon bonds 
E) none of the above

Exam 13: Alkenes, alkynes, and Aromatic Compounds

Which molecule can have cis-trans isomers?

Which of the following compounds contains an alkyne functional group?

The structure shown is

An elimination reaction can best be described as a reaction in which

Match the following. -ortho-xylene

The concept that explains the properties of aromatic compounds based on a structure that is an average among two possible structures is

Markovnikov's Rule refers to the

Match the following. -resonance

When 2-butene reacts completely with bromine,the product is

Which of the following reagents could be used to convert 2-butene to butane?

Which of the following is a correct line bond structure for 2,3-dimethyl-3-hexene?

This question has three parts: A) Sketch the carbon skeleton of 2,5-hexadiene. B) Explain why this name is not correct. C) Give the correct name and molecular formula of the compound with the carbon skeleton you drew.

Match the following. -phenyl

A substitution reaction can best be described as a reaction in which

Predict the product of the following reaction:

Match the following. -aniline

What is the IUPAC name of the compound shown?

The most common reactions involving aromatics are ________ reactions.

A rearrangement reaction can best be described as a reaction in which

Which phrase most accurately describes the structure common to all aromatic compounds?

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Introduction to Organic Chemistry: Alkanes

Some Compounds With Oxygen, sulfur, or a Halogen

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The Generation of Biochemical Energy

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