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The Cahn-Ingold-Prelog stereochemical designations used for the following substance are: The Cahn-Ingold-Prelog stereochemical designations used for the following substance are:   A)  2R,4S B)  2S,4R C)  2R,4R D)  2S,4S E)  The  R,S  terminology doesn't apply in this case.


A) 2R,4S
B) 2S,4R
C) 2R,4R
D) 2S,4S
E) The "R,S" terminology doesn't apply in this case.

F) B) and C)
G) C) and E)

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Draw a dash-wedge structure for (3R,4S)-4,6-dimethylheptan-3-ol

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Hexane and 3-methylpentane are examples of:


A) enantiomers.
B) stereoisomers.
C) diastereomers.
D) constitutional isomers.
E) None of these

F) A) and B)
G) A) and C)

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  -Which of the compounds above (I-IV) represent enantiomers? A)  I and II B)  II and III C)  III and IV D)  II and IV E)   III and IV -Which of the compounds above (I-IV) represent enantiomers?


A) I and II
B) II and III
C) III and IV
D) II and IV
E) "III and IV"

F) All of the above
G) A) and B)

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Draw a dash-wedge structure for (1R,4R)-1,4-dibromo-1-chloro-1-fluoropentane

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(1S)-1-eth...

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The molecules shown are: The molecules shown are:   A)  constitutional isomers. B)  enantiomers. C)  diastereomers. D)  identical. E)  None of these


A) constitutional isomers.
B) enantiomers.
C) diastereomers.
D) identical.
E) None of these

F) B) and C)
G) A) and B)

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I and II are: I and II are:   A)  constitutional isomers. B)  enantiomers. C)  identical. D)  diastereomers. E)  not isomeric.


A) constitutional isomers.
B) enantiomers.
C) identical.
D) diastereomers.
E) not isomeric.

F) A) and E)
G) C) and D)

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Draw a dash-wedge structure for (R)-2,3,5-trimethylhexane

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Draw a dash-wedge structure for (3R,4R)-4-bromo-1,3-dimethylcyclohex-1-ene

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Draw a dash-wedge structure for (2R,4S)-2,4-dibromo-2-chloropentane

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