Question 1

Which of the following terms best describes the stereochemical relationship of the two compounds shown below in Fischer notation?

Accepted Answer

A)  enantiomers 
B)  diastereomers 
C)  constitutional isomers 
D)  cis/trans - isomers 
E)  meso - same structure 
A)  enantiomers 
B)  diastereomers 
C)  constitutional isomers 
D)  cis/trans - isomers 
E)  meso - same structure

Question 2

How many asymmetric carbons are present in the compound below?

Accepted Answer

The answer of How many asymmetric carbons are present in...

Question 3

How many diastereomers are there of the molecule shown below?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  6 
A)  0 
B)  1 
C)  2 
D)  3 
E)  6

Question 4

Label each asymmetric carbon in the molecule below as having the R or S configuration.

Accepted Answer

The answer of Label each asymmetric carbon in the molecule...

Question 5

How many asymmetric carbon atoms are present in the following compound?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  4 
A)  0 
B)  1 
C)  2 
D)  3 
E)  4

Question 6

How many asymmetric carbon atoms are present in the following compound?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  4 
A)  0 
B)  1 
C)  2 
D)  3 
E)  4

Question 7

Which of the following terms best describes the pair of compounds shown: $\underline{\text{  enantiomers, diastereomers }}$ , or $\underline{\text{ the same compound?  }}$

Accepted Answer

The answer of Which of the following terms best describes...

Question 8

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

Accepted Answer

The answer of Label each asymmetric carbon in the compound...

Question 9

Which of the following terms best describes the pair of compounds shown: $\underline{\text{  enantiomers, diastereomers }}$ , or $\underline{\text{ the same compound?  }}$

Accepted Answer

The answer of Which of the following terms best describes...

Question 10

How many enantiomers are there of the molecule shown below?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  6 
A)  0 
B)  1 
C)  2 
D)  3 
E)  6

Question 11

Assign the proper configurational label, R or S, to each chiral carbon in the molecule below.

Accepted Answer

The answer of Assign the proper configurational label, R or...

Question 12

Predict the specific rotation of the compound shown.

Accepted Answer

A)  It is impossible to predict; it must be determined experimentally. 
B)  Because both asymmetric centers are R, the compound is dextrorotatory. 
C)  Because both asymmetric centers are S, the compound is levorotatory. 
D)  Zero; the compound is achiral. 
E)  Because this compound represents a racemic mixture, the compound is dextrorotatory. 
A)  It is impossible to predict; it must be determined experimentally. 
B)  Because both asymmetric centers are R, the compound is dextrorotatory. 
C)  Because both asymmetric centers are S, the compound is levorotatory. 
D)  Zero; the compound is achiral. 
E)  Because this compound represents a racemic mixture, the compound is dextrorotatory.

Question 13

If possible, draw the enantiomer of the molecule shown below.

Accepted Answer

This molecule is ach

Question 14

Use the following three structures to answer the questions below.  
-The relationship between I and III is: ________.

Accepted Answer

A)  same compound 
B)  enantiomers 
C)  diastereomers 
D)  constitutional isomers 
A)  same compound 
B)  enantiomers 
C)  diastereomers 
D)  constitutional isomers

Question 15

If possible, draw the structure of the enantiomer of the molecule shown below.

Accepted Answer

The compound is an a

Question 16

Can the molecule shown below be properly described as a meso compound?
(CH3)2CHCH2CH3

Accepted Answer

Question 17

How many asymmetric carbons are present in the compound below?

Accepted Answer

The answer of How many asymmetric carbons are present in...

Question 18

Which of the following terms correctly describe(s) the structural relationship between cis-1,3-dimethylcyclopentane and trans-1,3-dimethylcyclopentane?

Accepted Answer

A)  enantiomers 
B)  diastereomers 
C)  geometric isomers 
D)  both A and C 
E)  both B and C 
A)  enantiomers 
B)  diastereomers 
C)  geometric isomers 
D)  both A and C 
E)  both B and C

Question 19

Which of the following molecules, if isolated in its pure form, would demonstrate optical activity ?

Accepted Answer

A)  both IV and V 
B)  both I and III 
C)  only II 
D)  both III and IV 
E)  both I and V 
A)  both IV and V 
B)  both I and III 
C)  only II 
D)  both III and IV 
E)  both I and V

Question 20

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

Accepted Answer

The answer of Label each asymmetric carbon in the compound...

Exam 5: Stereochemistry

Which of the following terms best describes the stereochemical relationship of the two compounds shown below in Fischer notation?

How many asymmetric carbons are present in the compound below?

How many diastereomers are there of the molecule shown below?

Label each asymmetric carbon in the molecule below as having the R or S configuration.

How many asymmetric carbon atoms are present in the following compound?

How many asymmetric carbon atoms are present in the following compound?

Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers ‾\underline{\text{ enantiomers, diastereomers }} enantiomers, diastereomers ​ , or the same compound? ‾\underline{\text{ the same compound? }} the same compound? ​

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

Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers ‾\underline{\text{ enantiomers, diastereomers }} enantiomers, diastereomers ​ , or the same compound? ‾\underline{\text{ the same compound? }} the same compound? ​

How many enantiomers are there of the molecule shown below?

Assign the proper configurational label, R or S, to each chiral carbon in the molecule below.

Predict the specific rotation of the compound shown.

If possible, draw the enantiomer of the molecule shown below.

Use the following three structures to answer the questions below. -The relationship between I and III is: ________.

If possible, draw the structure of the enantiomer of the molecule shown below.

Can the molecule shown below be properly described as a meso compound? (CH3)2CHCH2CH3

How many asymmetric carbons are present in the compound below?

Which of the following terms correctly describe(s) the structural relationship between cis-1,3-dimethylcyclopentane and trans-1,3-dimethylcyclopentane?

Which of the following molecules, if isolated in its pure form, would demonstrate optical activity ?

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

Introduction and Review

Structure and Properties of Organic Molecules

Structure and Stereochemistry of Alkanes

The Study of Chemical Reactions

Alkyl Halides: Nucleophilic Substitution and Elimination

Structure and Synthesis of Alkenes

Reactions of Alkenes

Alkynes

Structure and Synthesis of Alcohols

Reactions of Alcohols

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Ethers, Epoxides, and Thioethers

Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy

Aromatic Compounds

Reactions of Aromatic Compounds

Ketones and Aldehydes

Amines

Carboxylic Acids

Carboxylic Acid Derivatives

Condensations and Alpha Substitutions of Carboxyl Compounds

Carbohydrates and Nucleic Acids

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Can the molecule shown below be properly described as a meso compound? (CH₃)₂CHCH₂CH₃