Question 1

The Fischer projection to the right represents the compound to the left.

Accepted Answer

A) True 
 B)False  False

Question 2

How many chirality centers does the following molecule contain?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 8 
A) 1 
B) 2 
C) 3 
D) 8 B

Question 3

The compound 4-methyl-2-hexene is not a chiral molecule.

Accepted Answer

A) True 
 B)False  False

Question 4

Which statement is true?

Accepted Answer

A) A carbon that is part of a multiple is always a chirality center. 
B) The carbon atom in a CH2 group is a chirality center only when it is part of a ring. 
C) Stereoisomers always have the same functional groups. 
D) Diastereomers are mirror image isomers that are not superimposable. 
A) A carbon that is part of a multiple is always a chirality center. 
B) The carbon atom in a CH2 group is a chirality center only when it is part of a ring. 
C) Stereoisomers always have the same functional groups. 
D) Diastereomers are mirror image isomers that are not superimposable.

Question 5

All molecules that have carbons with a tetrahedral shape are chiral.

Accepted Answer

A) True 
 B)False

Question 6

cis-2-butene and trans-2-butene are enantiomers.

Accepted Answer

A) True 
 B)False

Question 7

The cis and trans isomers of an alkene represent one example of stereoisomers.

Accepted Answer

A) True 
 B)False

Question 8

A compound with two chirality centers has a maximum of _____ possible stereoisomers.

Accepted Answer

The answer of A compound with two chirality centers has...

Question 9

In a Fischer projection,

Accepted Answer

A) horizontal lines represent bonds that come out of the plane on wedges, and the vertical lines represent bonds that go back on dashed lines. 
B) vertical lines represent bonds that come out of the plane on wedges, and the horizontal lines represent bonds that go back on dashed lines. 
C) horizontal lines represent bonds that are in the plane of the paper, and the vertical lines represent bonds that go back on dashed lines. 
D) vertical lines represent bonds that are in the plane of the paper, and the horizontal lines represent bonds that go back on dashed lines. 
A) horizontal lines represent bonds that come out of the plane on wedges, and the vertical lines represent bonds that go back on dashed lines. 
B) vertical lines represent bonds that come out of the plane on wedges, and the horizontal lines represent bonds that go back on dashed lines. 
C) horizontal lines represent bonds that are in the plane of the paper, and the vertical lines represent bonds that go back on dashed lines. 
D) vertical lines represent bonds that are in the plane of the paper, and the horizontal lines represent bonds that go back on dashed lines.

Question 10

cis-2-Hexene and trans-3-hexene are _____ isomers.

Accepted Answer

The answer of cis-2-Hexene and trans-3-hexene are _____ isomers....

Question 11

Enantiomers are stereoisomers that are

Accepted Answer

A) mirror images of each other that are identical. 
B) not mirror images of each other. 
C) nonsuperimposable mirror images of each other. 
D) cis-trans isomers of each other. 
A) mirror images of each other that are identical. 
B) not mirror images of each other. 
C) nonsuperimposable mirror images of each other. 
D) cis-trans isomers of each other.

Question 12

The major product of the dehydration of the alcohol below has one chirality center.

Accepted Answer

A) True 
 B)False

Question 13

A sample containing an equal amount of two enantiomers is called a/an _____ mixture.

Accepted Answer

The answer of A sample containing an equal amount of...

Question 14

Ampicillin (structure shown)is an antibiotic that has been used extensively to treat bacterial infections since 1961. There are _____ chirality centers in ampicillin.

Accepted Answer

The answer of Ampicillin (structure shown)is an antibiotic that has...

Question 15

Enantiomers may have different odors because they bind with chiral receptors and each enantiomer fits the chiral receptors in a different way.

Accepted Answer

A) True 
 B)False

Question 16

Which structure represents the three-dimensional structure of the Fischer projection shown?

Accepted Answer

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

Question 17

Consider the stereoisomers (A-E)drawn below:   Which structure(s)is/are diastereomers of structure E?

Accepted Answer

A) structure A 
B) structure B 
C) structure C 
D) structure D 
E) structures A and B 
A) structure A 
B) structure B 
C) structure C 
D) structure D 
E) structures A and B

Question 18

A chiral molecule has at least one carbon atom that has four different substituents bonded to it.

Accepted Answer

A) True 
 B)False

Question 19

Only chiral molecules have a mirror image.

Accepted Answer

A) True 
 B)False

Question 20

A compound with three chirality centers has a maximum of _____ possible stereoisomers.

Accepted Answer

The answer of A compound with three chirality centers has...

Exam 15: The Three-Dimensional Shape of Molecules

The Fischer projection to the right represents the compound to the left.

How many chirality centers does the following molecule contain?

The compound 4-methyl-2-hexene is not a chiral molecule.

Which statement is true?

All molecules that have carbons with a tetrahedral shape are chiral.

cis-2-butene and trans-2-butene are enantiomers.

The cis and trans isomers of an alkene represent one example of stereoisomers.

A compound with two chirality centers has a maximum of _____ possible stereoisomers.

In a Fischer projection,

cis-2-Hexene and trans-3-hexene are _____ isomers.

Enantiomers are stereoisomers that are

The major product of the dehydration of the alcohol below has one chirality center.

A sample containing an equal amount of two enantiomers is called a/an _____ mixture.

Ampicillin (structure shown)is an antibiotic that has been used extensively to treat bacterial infections since 1961. There are _____ chirality centers in ampicillin.

Enantiomers may have different odors because they bind with chiral receptors and each enantiomer fits the chiral receptors in a different way.

Which structure represents the three-dimensional structure of the Fischer projection shown?

Consider the stereoisomers (A-E)drawn below: Which structure(s)is/are diastereomers of structure E?

A chiral molecule has at least one carbon atom that has four different substituents bonded to it.

Only chiral molecules have a mirror image.

A compound with three chirality centers has a maximum of _____ possible stereoisomers.

Matter and Measurement

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Energy Changes, Reaction Rates, and Equilibrium

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Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen, Halogen, or Sulfur

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