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What is the relationship between the two following molecules? What is the relationship between the two following molecules? A) They are constitutional isomers. B) They are diastereomers. C) They are conformational isomers. D) They are enantiomers. E) They are unrelated.


A) They are constitutional isomers.
B) They are diastereomers.
C) They are conformational isomers.
D) They are enantiomers.
E) They are unrelated.

Correct Answer

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Which alkene is most stable? Which alkene is most stable? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

Correct Answer

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Which is the zigzag representation of the following Fischer projection? Which is the zigzag representation of the following Fischer projection? A) I B) II C) III D) IV E) V Which is the zigzag representation of the following Fischer projection? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

Correct Answer

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A solution of a pure chiral molecule has a specific rotation of 17.What is the specific rotation of a solution that is 80% (+)enantiomer and 20% (-)enantiomer?

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10.2F1F1F1...

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For the following molecule,label each stereocenter with an asterisk (*),and then draw all possible configurational isomers. For the following molecule,label each stereocenter with an asterisk (*),and then draw all possible configurational isomers.

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Which of the following alkenes is more stable? Explain. Which of the following alkenes is more stable? Explain.

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blured image is more stable beca...

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Draw the mirror image of the following compound. Draw the mirror image of the following compound.

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Which is the zigzag representation of the Fischer projection below? Which is the zigzag representation of the Fischer projection below? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

Correct Answer

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Which of the following compounds is not a meso compound? Which of the following compounds is not a meso compound? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

Correct Answer

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Stereoisomers that are not mirror images of each other are called _______.

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Consider a mixture that is 80% (+)enantiomer and 20% (-)enantiomer.In which direction will the mixture rotate plane-polarized light? What is the enantiomeric excess (ee)of the mixture?

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The light will be ro...

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Draw a diastereomer for the molecule. Draw a diastereomer for the molecule.

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Which of the following has the same boiling point as the molecule below? Which of the following has the same boiling point as the molecule below? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

Correct Answer

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A mixture of enantiomers contains 84% of the R enantiomer and 16% of the S enantiomer.What is the enantiomeric excess?

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Which of the following is chiral?


A) A sock
B) A spoon
C) An ear
D) A piece of string
E) A car tire

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Which of the following has a nonsuperimposable mirror image?


A) A baseball glove
B) A chair
C) A stapler
D) A DVD
E) A bell

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Which of the following is a diastereomer of the molecule below? Which of the following is a diastereomer of the molecule below? A) I B) II C) III D) IV E) V Which of the following is a diastereomer of the molecule below? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

Correct Answer

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Draw the Fischer projection of the following structure. Draw the Fischer projection of the following structure.

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Which choice is an enantiomer of the molecule below? Which choice is an enantiomer of the molecule below? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

Correct Answer

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What is the relationship between the two following molecules? What is the relationship between the two following molecules? A) They are enantiomers. B) They are diastereomers. C) They are conformational isomers. D) They are unrelated. E) They are the same molecule.


A) They are enantiomers.
B) They are diastereomers.
C) They are conformational isomers.
D) They are unrelated.
E) They are the same molecule.

Correct Answer

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