Question 1

Which choice represents the carbon skeleton of 2,5-octadiene?

Accepted Answer

A) C=C=C-C-C-C-C-C 
B) C-C=C-C-C=C-C-C 
C) C=C-C-C=C-C=C-C 
D) C-C=C-C-C-C-C=C 
E) C-C=C-C=C-C-C-C 
A) C=C=C-C-C-C-C-C 
B) C-C=C-C-C=C-C-C 
C) C=C-C-C=C-C=C-C 
D) C-C=C-C-C-C-C=C 
E) C-C=C-C=C-C-C-C B

Question 2

The bond angle about a carbon atom involved in a double bond is

Accepted Answer

A) 90°. 
B) 105°. 
C) 109.5°. 
D) 120°. 
E) 180°. 
A) 90°. 
B) 105°. 
C) 109.5°. 
D) 120°. 
E) 180°. D

Question 3

The name of the molecule shown is

Accepted Answer

A) cis-3-chloro-2-pentene. 
B) trans-3-chloro-2-pentene. 
C) cis-3-chloro-3-pentene. 
D) trans-3-chloro-3-pentene. 
E) monochloro-2-cis-pentene. 
A) cis-3-chloro-2-pentene. 
B) trans-3-chloro-2-pentene. 
C) cis-3-chloro-3-pentene. 
D) trans-3-chloro-3-pentene. 
E) monochloro-2-cis-pentene. A

Question 4

Another name for o-nitrotoluene is

Accepted Answer

A) 1-nitrotoluene. 
B) 2-nitrotoluene. 
C) 3-nitrotoluene. 
D) 4-nitrotoluene. 
A) 1-nitrotoluene. 
B) 2-nitrotoluene. 
C) 3-nitrotoluene. 
D) 4-nitrotoluene.

Question 5

According to Markovnikov's rule,when HCl reacts with the molecule shown,which product will result?
(CH3)2C=CHCH3 + HCl → ?????

Accepted Answer

A) (CH3)2CHCHClCH3 
B) (CH3)2CClCH2CH3 
C) (CH3)2CClCHClCH3 
D) (CH3)2CHCH2CH2Cl 
E) Cl2CHCHClCH3 
A) (CH3)2CHCHClCH3 
B) (CH3)2CClCH2CH3 
C) (CH3)2CClCHClCH3 
D) (CH3)2CHCH2CH2Cl 
E) Cl2CHCHClCH3

Question 6

Using systematic names,the structure shown could be called

Accepted Answer

A) 1,2-dimethylbenzene. 
B) 1,3-dimethylbenzene. 
C) para-dimethylbenzene. 
D) ortho-dimethylbenzene. 
E) meta-dimethylbenzene. 
A) 1,2-dimethylbenzene. 
B) 1,3-dimethylbenzene. 
C) para-dimethylbenzene. 
D) ortho-dimethylbenzene. 
E) meta-dimethylbenzene.

Question 7

How many hydrogen atoms are contained in a molecule of 1,4-hexadiene?

Accepted Answer

A) 6 
B) 10 
C) 12 
D) 14 
E) 18 
A) 6 
B) 10 
C) 12 
D) 14 
E) 18

Question 8

The term delocalization means "not limited to a particular place or area." Explain how this term describes the behavior of electrons in aromatic compounds.

Accepted Answer

In a benzene ring,the six carbon atoms a

Question 9

Alkenes and simple aromatics are similar in all of the following properties except

Accepted Answer

A) solubility in non-polar solvents. 
B) insolubility in water. 
C) flammability. 
D) nonpolarity. 
E) lack of toxicity. 
A) solubility in non-polar solvents. 
B) insolubility in water. 
C) flammability. 
D) nonpolarity. 
E) lack of toxicity.

Question 10

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 11

When the aromatic ring is named as a side chain or functional group,it is referred to as the ________ group.

Accepted Answer

A) phenyl 
B) benzyl 
C) xylyl 
D) toluyl 
E) benzoyl 
A) phenyl 
B) benzyl 
C) xylyl 
D) toluyl 
E) benzoyl

Question 12

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 13

Match the following.
-unsaturated

Accepted Answer

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

Question 14

Which of the following is a correct line angle drawing for cis-3-heptene?

Accepted Answer

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

Question 15

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 16

What will be the major product of the following reaction?

Accepted Answer

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

Question 17

Which reactant should be used to convert propene to 2-chloropropane?

Accepted Answer

A) Cl2 
B) H2 
C) NaCl 
D) HCl 
E) BrCl 
A) Cl2 
B) H2 
C) NaCl 
D) HCl 
E) BrCl

Question 18

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 19

Which of the following alkenes can exhibit cis-trans isomerism?

Accepted Answer

A) 1,1-dibromobutene 
B) 1-pentene 
C) 2-methyl-2-octene 
D) 3-octene 
E) none of these 
A) 1,1-dibromobutene 
B) 1-pentene 
C) 2-methyl-2-octene 
D) 3-octene 
E) none of these

Question 20

The bond angle about a carbon atom involved in a triple bond is

Accepted Answer

A) 90°. 
B) 105°. 
C) 109.5°. 
D) 120°. 
E) 180°. 
A) 90°. 
B) 105°. 
C) 109.5°. 
D) 120°. 
E) 180°.

Exam 13: Alkenes, alkynes, and Aromatic Compounds

Which choice represents the carbon skeleton of 2,5-octadiene?

The bond angle about a carbon atom involved in a double bond is

The name of the molecule shown is

Another name for o-nitrotoluene is

According to Markovnikov's rule,when HCl reacts with the molecule shown,which product will result? (CH3)2C=CHCH3 + HCl → ?????

Using systematic names,the structure shown could be called

How many hydrogen atoms are contained in a molecule of 1,4-hexadiene?

The term delocalization means "not limited to a particular place or area." Explain how this term describes the behavior of electrons in aromatic compounds.

Alkenes and simple aromatics are similar in all of the following properties except

The structure shown is

When the aromatic ring is named as a side chain or functional group,it is referred to as the ________ group.

What is the IUPAC name of the compound shown?

Match the following. -unsaturated

Which of the following is a correct line angle drawing for cis-3-heptene?

Which molecule can have cis-trans isomers?

What will be the major product of the following reaction?

Which reactant should be used to convert propene to 2-chloropropane?

Markovnikov's Rule refers to the

Which of the following alkenes can exhibit cis-trans isomerism?

The bond angle about a carbon atom involved in a triple bond is

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According to Markovnikov's rule,when HCl reacts with the molecule shown,which product will result? (CH₃)₂C=CHCH₃ + HCl → ?????