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Exam 5: Stereoisomerism

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Question 51

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Does the following contain a plane of symmetry?

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Question 52

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What is the percentage of the S enantiomer in a sample of carvone that has a specific rotation of 10, given that the specific rotation of (R) -carvone is −61?

A) 42
B) 84
C) 16
D) 58

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Question 53

Multiple Choice

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Identify the relationship between the following two structures.

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?

Is the following alkene cis, trans, or neither?

What is the relationship between the following two compounds?

Draw all the stereoisomers of the following compound.

Assign the absolute configuration of the chirality center as R or S.

Which of the following structures is the correct wedge/dash drawing of the following Fischer projection?

What is the relationship between the following two molecules?

Is the following alkene E, Z, or neither?

Assign the following stereocenter as having the R or S absolute configuration. SHAPE \* MERGEFORMAT

Is the following alkene E, Z, or neither?

Which of the following choices is a diastereomer of the first structure shown?

Which of the following is the correct structure for the compound (R) -2-pentanol?

What is the percentage 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?

Draw the meso isomer of the following compound.

When a racemic mixture is reacted with a single enantiomer of another compound, then a pair of _________ is formed.

What is the percentage 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?

Draw all the isomers with molecular formula C₄H₆.