Question 1

How many stereogenic centers are present in the following compound?

Accepted Answer

A)   0
B)   1
C)   2
D)   3E) None of the above
F) A) and B)

Question 2

Which of the following statements about stereoisomers is not true?

Accepted Answer

A)   Stereoisomers have identical IUPAC names except for a prefix like cis or trans.
B)   Stereoisomers differ in configuration.
C)   Stereoisomers always have the same functional groups.
D)   Stereoisomers differ only in their structural formula.E) All of the above
F) C) and D)

Question 3

Which of the following compounds has a plane of symmetry?

Accepted Answer

A)   I and II
B)   II and III
C)   II, III and IV
D)   III and IVE) A) and B)
F) A) and C)

Question 4

Which of the following molecules are chiral? I. cis-1,3-Dibromocyclohexane
II)  1-Bromo-1-methylcyclohexane
III)  trans-1-Bromo-3-methylcyclohexane
IV)  cis-1-Bromo-3-methylcyclohexane

Accepted Answer

A)   I, II
B)   II, III
C)   I, IV
D)   III, IVE) B) and C)
F) A) and B)

Question 5

Which of the following is the correct definition for a pair of enantiomers?

Accepted Answer

A)   A pair of stereoisomers that have a plane of symmetry.
B)   A pair of stereoisomers that are not mirror images of each other.
C)   A pair of stereoisomers that are not superimposable mirror images of each other.
D)   A pair of stereoisomers that are superimposable mirror images of each other.E) All of the above
F) B) and C)

Question 6

How many isomers can be drawn (constitutional and stereoisomers)  for dimethycyclopropane?

Accepted Answer

A)   2
B)   3
C)   4
D)   6E) B) and D)
F) A) and C)

Question 7

Which of the following cyclic molecules is a meso compound?

Accepted Answer

A)   I
B)   II
C)   III
D)   IVE) None of the above
F) B) and C)

Question 8

Which of the following is the definition of chirality?

Accepted Answer

A)   The existence of a molecule with a mirror image.
B)   The existence of a molecule with a carbon atom that has four different substituents.
C)   The existence of a molecule that is superimposable on its mirror image.
D)   The existence of a molecule that is not superimposable on its mirror image.E) B) and C)
F) C) and D)

Exam 5: Stereochemistry

Which of the following statements about stereoisomers is not true?

Correct Answer
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Which of the following molecules are chiral? I. cis-1,3-Dibromocyclohexane II) 1-Bromo-1-methylcyclohexane III) trans-1-Bromo-3-methylcyclohexane IV) cis-1-Bromo-3-methylcyclohexane

Correct Answer
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Which of the following is the definition of chirality?

Correct Answer
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Which of the following is the correct definition for a pair of enantiomers?

Correct Answer
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How many isomers can be drawn (constitutional and stereoisomers) for dimethycyclopropane?

Correct Answer
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Which of the following cyclic molecules is a meso compound?

Correct Answer
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Which of the following compounds has a plane of symmetry?

Correct Answer
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How many stereogenic centers are present in the following compound?

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Exam 5: Stereochemistry

Which of the following statements about stereoisomers is not true?

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Which of the following molecules are chiral? I. cis-1,3-Dibromocyclohexane II) 1-Bromo-1-methylcyclohexane III) trans-1-Bromo-3-methylcyclohexane IV) cis-1-Bromo-3-methylcyclohexane

Correct AnswerverifiedShow Answer

Which of the following is the definition of chirality?

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Which of the following is the correct definition for a pair of enantiomers?

Correct AnswerverifiedShow Answer

How many isomers can be drawn (constitutional and stereoisomers) for dimethycyclopropane?

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Which of the following cyclic molecules is a meso compound?

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Which of the following compounds has a plane of symmetry?

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How many stereogenic centers are present in the following compound?

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