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What is the relationship between the structures shown below? What is the relationship between the structures shown below? A) not isomers B) constitutional isomers C) conformational isomers D) configurational isomers E) enantiomers


A) not isomers
B) constitutional isomers
C) conformational isomers
D) configurational isomers
E) enantiomers

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Identify the pair of compounds. Identify the pair of compounds. A) identical B) conformational isomers C) constitutional isomers D) configurational isomers E) none of the above


A) identical
B) conformational isomers
C) constitutional isomers
D) configurational isomers
E) none of the above

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How many stereoisomers exist with the following basic connectivity? BrCH2CH(CH3) CH2CH3


A) 0
B) 1
C) 2
D) 4
E) 8

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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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Identify the compound(s) with asymmetric centers.


A) Identify the compound(s) with asymmetric centers. A) B) C) D) E)
B) Identify the compound(s) with asymmetric centers. A) B) C) D) E)
C) Identify the compound(s) with asymmetric centers. A) B) C) D) E)
D) Identify the compound(s) with asymmetric centers. A) B) C) D) E)
E) Identify the compound(s) with asymmetric centers. A) B) C) D) E)

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How many diastereomers exist for the compound below? How many diastereomers exist for the compound below? A) 2 B) 4 C) 6 D) 7 E) 8


A) 2
B) 4
C) 6
D) 7
E) 8

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Provide the structure of (R)-4-octanol. Be careful to indicate proper stereochemistry.

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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.

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Label each asymmetric center in the compound below as R or S. Label each asymmetric center in the compound below as R or S.

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Which of the following compounds has an S configuration?


A) Which of the following compounds has an S configuration? A) B) C) D) E)
B) Which of the following compounds has an S configuration? A) B) C) D) E)
C) Which of the following compounds has an S configuration? A) B) C) D) E)
D) Which of the following compounds has an S configuration? A) B) C) D) E)
E) Which of the following compounds has an S configuration? A) B) C) D) E)

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How many asymmetric centers are present in the compound below? How many asymmetric centers are present in the compound below?

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Which of the following groups has the highest priority using the Cahn, Ingold, Prelog rules?


A) Which of the following groups has the highest priority using the Cahn, Ingold, Prelog rules? A) B) C) -OH D) -O-CH<sub>3</sub> E)
B) Which of the following groups has the highest priority using the Cahn, Ingold, Prelog rules? A) B) C) -OH D) -O-CH<sub>3</sub> E)
C) -OH
D) -O-CH3
E) Which of the following groups has the highest priority using the Cahn, Ingold, Prelog rules? A) B) C) -OH D) -O-CH<sub>3</sub> E)

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Is the molecule shown chiral? Is it a meso compound? Is the molecule shown chiral? Is it a meso compound?

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

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The compound below contains an asymmetric center at nitrogen. Why can't individual stereoisomers of this compound be isolated at room temperature? The compound below contains an asymmetric center at nitrogen. Why can't individual stereoisomers of this compound be isolated at room temperature?

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Nitrogen has a pair of nonbond...

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

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

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Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers, or the same compound? Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers, or the same compound?

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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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