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Identify all pairs of diastereomers. Identify all pairs of diastereomers. A) B and D,A and C B) A and C C) B and D D) A and B,A and D,B and C,C and D E) B and D,A and B,A and D,B and C,C and D


A) B and D,A and C
B) A and C
C) B and D
D) A and B,A and D,B and C,C and D
E) B and D,A and B,A and D,B and C,C and D

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What is the relationship between the following compounds? What is the relationship between the following compounds? A) enantiomers B) diastereomers C) constitutional isomers D) conformational isomers E) identical compounds


A) enantiomers
B) diastereomers
C) constitutional isomers
D) conformational isomers
E) identical compounds

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Which of the following cannot exhibit chirality?


A) 2,3-dibromobutane
B) 1,3-dibromobutane
C) 1,2-dichlorobutane
D) 1,4-dibromobutane
E) 1-bromo-2-chlorobutane

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Provide a perspective drawing of each diastereomer of (2R,3S)-1,2,3-trichloropentane.

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What is the relationship between the compounds below? What is the relationship between the compounds below? A) constitutional isomers B) identical compounds C) enantiomers D) diastereomers E) meso compounds


A) constitutional isomers
B) identical compounds
C) enantiomers
D) diastereomers
E) meso compounds

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Label the molecule shown as chiral or achiral. Label the molecule shown as chiral or achiral.

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What is the relationship between the following compounds? What is the relationship between the following compounds? A) superimposable without bond rotation B) constitutional isomers C) conformational isomers D) diastereomers E) enantiomers


A) superimposable without bond rotation
B) constitutional isomers
C) conformational isomers
D) diastereomers
E) enantiomers

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Draw the enantiomer of the compound below. Draw the enantiomer of the compound below.

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Which of the following is/are optically inactive?


A) a 50-50 mixture of R and S enantiomers
B) a meso compound
C) every achiral compound
D) a racemic mixture
E) all the above

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What is the relationship between the compounds below? What is the relationship between the compounds below? A) constitutional isomers B) identical compounds C) enantiomers D) diastereomers E) meso compounds


A) constitutional isomers
B) identical compounds
C) enantiomers
D) diastereomers
E) meso compounds

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Draw the structure of (2R,3S)-dichloropentane.Take particular care to indicate three-dimensional stereochemistry detail properly.

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Which of the following compounds is an enantiomer of the structure below? Which of the following compounds is an enantiomer of the structure below? A) B) C) D) A and B E) It does not have an enantiomer.


A) Which of the following compounds is an enantiomer of the structure below? A) B) C) D) A and B E) It does not have an enantiomer.
B) Which of the following compounds is an enantiomer of the structure below? A) B) C) D) A and B E) It does not have an enantiomer.
C) Which of the following compounds is an enantiomer of the structure below? A) B) C) D) A and B E) It does not have an enantiomer.
D) A and B
E) It does not have an enantiomer.

Correct Answer

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What is the relationship between the following compounds? What is the relationship between the following compounds? A) enantiomers B) diastereomers C) constitutional isomers D) conformational isomers E) identical compounds


A) enantiomers
B) diastereomers
C) constitutional isomers
D) conformational isomers
E) identical compounds

Correct Answer

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Provide a careful structure for (2S,3R,4R)-2-bromo-4-methyl-3-hexanol.

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If (S) -glyceraldehyde has a specific rotation of -8.7°,what is the specific rotation of (R) -glyceraldehyde?


A) -8.7°
B) +8.7°
C) 0) 0°
D) cannot be determined from the information given

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How many stereoisomers exist for this molecule that is the principal psychoactive constituent of marijuana? How many stereoisomers exist for this molecule that is the principal psychoactive constituent of marijuana? A) 2 B) 3 C) 4 D) 5 E) 6


A) 2
B) 3
C) 4
D) 5
E) 6

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Identify the following compounds as R or S. Identify the following compounds as R or S. A) R,S,R B) S,R,R C) S,S,S D) R,R,R E) S,S,R


A) R,S,R
B) S,R,R
C) S,S,S
D) R,R,R
E) S,S,R

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Which of the following statements correctly describes the molecule shown below? Which of the following statements correctly describes the molecule shown below? A) It is achiral. B) It is meso. C) Its asymmetric center possesses the R configuration. D) The mirror image of this molecule is its enantiomer. E) The molecule possesses enantiotopic hydrogens.


A) It is achiral.
B) It is meso.
C) Its asymmetric center possesses the R configuration.
D) The mirror image of this molecule is its enantiomer.
E) The molecule possesses enantiotopic hydrogens.

Correct Answer

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Draw a perspective formula of (2R,3S)-3-bromo-2-butanol.

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Is the molecule shown below chiral or achiral? Is the molecule shown below chiral or achiral?

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