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Exam 15: The Three-Dimensional Shape of Molecules

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Question 21

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How many chirality centers are present in the following molecule?

A) 0
B) 1
C) 2
D) 3
E) More than 3

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Question 22

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All tertiary alcohols (3°)are chiral.

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Question 23

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How many diastereomers can a chiral stereoisomer have?

The drug Thalidomide was ________.

Which molecule is an enantiomer of the one shown below?

If one enantiomer causes plane-polarized light to rotate clockwise,that enantiomer is called dextrorotatory.

Enantiomers are mirror images that are not superimposable.

The major product of the dehydration of the alcohol below has one chirality center.

Which property of enantiomers is not identical?

Benazepril (structure shown)is a medication that has been used to treat high blood pressure. There are ________ chirality centers in benzaepril.

Which statement is not true?

Consider the stereoisomers (A-E) drawn below: Structures A and C are related as ________.

A compound with three chirality centers has a maximum of ________ possible stereoisomers.

The Fischer projection shown to the right represents the enantiomer of the three-dimensional structure to the left.

Hexane (CH₃CH₂CH₂CH₂CH₂CH₃)has a mirror image,but it does not have an enantiomer.

Propranol,shown below,is a chiral compound that exists as a pair of enantiomers. One enantiomer is used to treat irregular heartbeats,and the other enantiomer is used as a contraceptive. Identify the chirality center(s) in Propranol.

A compound with two chirality centers has a maximum of ________ possible stereoisomers.

Which molecule is chiral?

Ampicillin (structure shown)is an antibiotic that has been used extensively to treat bacterial infections since 1961. There are ________ chirality centers in ampicillin.

The cis and trans isomers of an alkene represent one example of stereoisomers.