Deck 5: Stereoisomerism

Question 1

Is the following alkene cis,trans,or neither?

Answer 1

trans

Question 2

What is the relationship between the following two compounds?

A)Constitutional isomers
B)Stereoisomers
C)Identical
D)Not isomers,different compounds entirely.

Answer 2

Stereoisomers

Question 3

What is the relationship between the following two compounds?

A)Constitutional isomers
B)Stereoisomers
C)Identical
D)Not isomers,different compounds entirely.

Answer 3

Stereoisomers

Question 4

Is the following alkene cis,trans,or neither?

Question 5

What is the relationship between the following two compounds?

A)Constitutional isomers
B)Stereoisomers
C)Identical
D)Not isomers,different compounds entirely.

Question 6

Locate the chiral centers in the following compound.

Question 7

Is the following alkene cis,trans,or neither?

Question 8

Locate the chiral centers in the following compound.

Question 9

What is the relationship between the following two compounds?

A)Constitutional isomers
B)Stereoisomers
C)Identical
D)Not isomers,different compounds entirely.

Question 10

What is the relationship between the following two compounds?

A)Constitutional isomers
B)Stereoisomers
C)Identical
D)Not isomers,different compounds entirely.

Question 11

Is the following internal alkene cis,trans,or neither?

Question 12

Is the following alkene cis,trans,or neither?

Question 13

Locate the chiral centers in the following compound.

Question 14

Draw all the isomers of a hydrocarbon with molecular formula C₄H₈.

Question 15

What is the relationship between the following two compounds?

A)Constitutional isomers
B)Stereoisomers
C)Identical
D)Not isomers,different compounds entirely.

Question 16

Identify the relationship between the following two structures.

A)Enantiomers
B)Identical
C)Neither

Question 17

Locate the chiral centers in the following compound.

Question 18

Locate the chiral centers in the following compound.

Question 19

Draw all the isomers of a hydrocarbon with molecular formula C₄H₆.

Question 20

Is the following alkene cis,trans,or neither?

Question 21

Which of the following is the correct IUPAC name for the following structure?

A)(S)-3-ethyl-2-methylhexane
B)(R)-3-ethyl-2-methylhexane
C)(S)-3-ethyl-2-methylpentane
D)(R)-3-ethyl-2-methylpentane

Question 22

Provide an IUPAC name for the following compound.

Question 23

Draw the structure for a compound with the IUPAC name (S)-3-methylheptane.

Question 24

Draw the enantiomer of the following compound.

Question 25

Identify the relationship between the following two structures.

A)Enantiomers
B)Identical
C)Neither

Question 26

Assign the chiral center as R or S.

Question 27

Provide an IUPAC name for the following compound.

Question 28

Identify the relationship between the following two structures.

A)Enantiomers
B)Identical
C)Neither

Question 29

Draw the structure for a compound with the IUPAC name (R)-4-ethyloctane.

Question 30

Assign the chiral center as R or S.

Question 31

Draw the enantiomer of the following compound.

Question 32

Identify the relationship between the following two structures.

A)Enantiomers
B)Identical
C)Neither

Question 33

Draw the enantiomer of the following compound.

Question 34

Draw the enantiomer of the following compound.

Question 35

Assign the chiral center as R or S.

Question 36

Assign the chiral center as R or S.

Question 37

Assign the chiral center as R or S.

Question 38

Assign the chiral center as R or S.

Question 39

Identify the relationship between the following two structures.

A)Enantiomers
B)Identical
C)Neither

Question 40

Draw the enantiomer of the following compound.

Question 41

What is the relationship of the following two structures?

A)Enantiomers
B)Diastereomers
C)Constitutional Isomers
D)Identical

Question 42

What is the specific rotation of pure carvone if a sample of carvone of 85%ee has a specific rotation of -54?

Question 43

What is the specific rotation of pure S-carvone if a sample of R-carvone of 85%ee has a specific rotation of -54?

A)-61
B)64
C)0
D)61

Question 44

What is the % of the R enantiomer in a sample of carvone that has a specific rotation of 30,given that the specific rotation of R-carvone is -61?

A)25.5%
B)51%
C)49%
D)74.5%

Question 45

What is the %ee of a sample of carvone that exhibits a specific rotation of -40 (given that the specific rotation of R-carvone is -61)?

Question 46

What is the %ee of a sample of carvone that exhibits a specific rotation of 20 (given that the specific rotation of R-carvone is -61)?

Question 47

Rank the following from highest to lowest priority.

A)-CH₂CH₃
B)-CHCH₂
C)-CCH
D)-CH₃

Question 48

If a sample of carvone gives a specific rotation of -60 and the specific rotation of R-carvone is -61,is the unknown sample R or S?

Question 49

What is the relationship of the following two structures?

A)Enantiomers
B)Diastereomers
C)Constitutional Isomers
D)Identical

Question 50

What is the % of the R enantiomer in a sample of carvone that has a specific rotation of -30,given that the specific rotation of R-carvone is -61?

Question 51

Rank the following from highest to lowest priority.

A)-F
B)-H
C)-OH
D)-SH

Question 52

Rank the following from highest to lowest priority.

A)-CH₃
B)-CN
C)-CH₂OH
D)-Br

Question 53

If a sample of carvone gives a specific rotation of 0 and the specific rotation of pure R-carvone is -61,which enantiomer is the unknown sample?

Question 54

Which of the following is the correct IUPAC name for the following structure?

A)(S)-2-ethylhexane
B)(S)-3-methylheptane
C)(R)-2-ethylhexane
D)(R)-3-methylheptane

Question 55

What is the % of the R enantiomer in a sample of carvone that has a specific rotation of -20,given that the specific rotation of R-carvone is -61?

A)33%
B)66.5%
C)33.5%
D)67%

Question 56

What is the relationship of the following two structures?

A)Enantiomers
B)Diastereomers
C)Constitutional Isomers
D)Identical

Question 57

What is the % of the S enantiomer in a sample of carvone that has a specific rotation of -20,given that the specific rotation of R-carvone is -61?

Question 58

What is the % of the S enantiomer in a sample of carvone that has a specific rotation of 30,given that the specific rotation of R-carvone is -61?

A)25.5%
B)51%
C)49%
D)74.5%

Question 59

What is the specific rotation of a sample of carvone that is an equal mixture of the R and S enantiomers (R- carvone has a specific rotation of -61)?

A)-61
B)64
C)0
D)61

Question 60

What is the relationship of the following two structures?

A)Enantiomers
B)Diastereomers
C)Constitutional Isomers
D)Identical

Question 61

Draw in the plane of symmetry in the following compound.

Question 62

Does the following contain a plane of symmetry?

Question 63

Draw the enantiomer of the following compound.

Question 64

Provide all the stereoisomers of the following compound.

Question 65

Draw the enantiomer of the following compound.

Question 66

Draw all of the possible stereoisomers for the following compound.

Question 67

Draw all possible stereoisomers of 1,3,5-trichlorocyclohexane.

Question 68

Draw a diastereomer of the following compound.

Question 69

Draw a diastereomer of the following compound.

Question 70

Draw a diastereomer of the following compound.

Question 71

Draw the meso isomer of the following compound.

Question 72

Draw in the plane of symmetry in the following compound.

Question 73

Provide all the stereoisomers of the following compound.

Question 74

Draw the meso isomer of the following compound.

Question 75

Draw the meso isomer of the following compound.

Question 76

Draw in the plane of symmetry in the following compound.

Question 77

What is the relationship of the following two structures?

A)Enantiomers
B)Diastereomers
C)Constitutional Isomers
D)Identical

Question 78

Draw the enantiomer of the following compound.

Question 79

Is the following a meso compound?

Question 80

How many stereoisomers are possible for 2,3-dimethylbutane?