Question 1

Draw the Fischer projection of the following compound.

Accepted Answer

The answer of Draw the Fischer projection of the following...

Question 2

Drawn below is the structure of Plavix (clopidogrel), a medication used to manage blood clots. Assign the absolute configuration of the chirality center as R or S.

Accepted Answer

S

Question 3

Which of the following is the correct IUPAC name of the following structure? SHAPE \* MERGEFORMAT

Accepted Answer

A)  (S)-3-ethyl-2-methylhexane 
B)  (R)-3-ethyl-2-methylhexane 
C)  (S)-3-ethyl-2-methylpentane 
D)  (R)-3-ethyl-2-methylpentane 
A)  (S)-3-ethyl-2-methylhexane 
B)  (R)-3-ethyl-2-methylhexane 
C)  (S)-3-ethyl-2-methylpentane 
D)  (R)-3-ethyl-2-methylpentane B

Question 4

Drawn below is the structure of Singulair (montelukast), a medication used to manage athsma. Assign the absolute configuration of the chirality center as R or S.

Accepted Answer

The answer of Drawn below is the structure of Singulair...

Question 5

What is the specific rotation of a sample of carvone that is an equal mixture of the R and S enantiomers? (R)- carvone has a specific rotation of −61.

Accepted Answer

A)  −61 
B)  64 
C)  0 
D)  61 
A)  −61 
B)  64 
C)  0 
D)  61

Question 6

Draw all the isomers with molecular formula C4H8.

Accepted Answer

Question 7

Redraw the structure below as a wedge-dash structure and label any/all stereocenters with their absolute configuration.

Accepted Answer

The answer of Redraw the structure below as a wedge-dash...

Question 8

Draw the Fischer projection of the following compound.

Accepted Answer

The answer of Draw the Fischer projection of the following...

Question 9

What is the relationship of the following two structures?

Accepted Answer

A)  enantiomers 
B)  diastereomers 
C)  constitutional isomers 
D)  identical 
A)  enantiomers 
B)  diastereomers 
C)  constitutional isomers 
D)  identical

Question 10

Draw the enantiomer of the following compound.

Accepted Answer

The answer of Draw the enantiomer of the following compound....

Question 11

What is the relationship between the two structures shown?

Accepted Answer

A)  same compound 
B)  enantiomers 
C)  diastereomers 
D)  none of these 
A)  same compound 
B)  enantiomers 
C)  diastereomers 
D)  none of these

Question 12

The structure of Crestor (rosuvastatin), a medication used to reduce cholesterol, is shown below. If the specific rotation for this compound is known to be +100, what would be the specific rotation for the stereoisomer shown at the right?

Accepted Answer

A)  +100 
B)  -100 
C)  0 
D)  Impossible to predict 
A)  +100 
B)  -100 
C)  0 
D)  Impossible to predict

Question 13

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

Accepted Answer

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

Question 14

Convert the following Fischer projection into a wedge/dash drawing.

Accepted Answer

The answer of Convert the following Fischer projection into a...

Question 15

How many stereoisomers are possible for 2,3-dimethylbutane?

Accepted Answer

None. It h

Question 16

What is the relationship of the following two structures?

Accepted Answer

A)  enantiomers 
B)  diastereomers 
C)  constitutional isomers 
D)  identical 
A)  enantiomers 
B)  diastereomers 
C)  constitutional isomers 
D)  identical

Question 17

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

Accepted Answer

The answer of Assign the absolute configuration of the chirality...

Question 18

What is the relationship between the two structures shown?

Accepted Answer

A)  same compound 
B)  enantiomers 
C)  diastereomers 
D)  none of these 
A)  same compound 
B)  enantiomers 
C)  diastereomers 
D)  none of these

Question 19

Draw the meso isomer of the following compound.

Accepted Answer

The answer of Draw the meso isomer of the following...

Question 20

Draw the structure of the compound (R)-4-ethyloctane.

Accepted Answer

The answer of Draw the structure of the compound (R)-4-ethyloctane....

Exam 5: Stereoisomerism

Draw the Fischer projection of the following compound.

Drawn below is the structure of Plavix (clopidogrel), a medication used to manage blood clots. Assign the absolute configuration of the chirality center as R or S.

Which of the following is the correct IUPAC name of the following structure? SHAPE \* MERGEFORMAT

Drawn below is the structure of Singulair (montelukast), a medication used to manage athsma. Assign the absolute configuration of the chirality center as R or S.

What is the specific rotation of a sample of carvone that is an equal mixture of the R and S enantiomers? (R)- carvone has a specific rotation of −61.

Draw all the isomers with molecular formula C4H8.

Redraw the structure below as a wedge-dash structure and label any/all stereocenters with their absolute configuration.

Draw the Fischer projection of the following compound.

What is the relationship of the following two structures?

Draw the enantiomer of the following compound.

What is the relationship between the two structures shown?

The structure of Crestor (rosuvastatin), a medication used to reduce cholesterol, is shown below. If the specific rotation for this compound is known to be +100, what would be the specific rotation for the stereoisomer shown at the right?

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

Convert the following Fischer projection into a wedge/dash drawing.

How many stereoisomers are possible for 2,3-dimethylbutane?

What is the relationship of the following two structures?

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

What is the relationship between the two structures shown?

Draw the meso isomer of the following compound.

Draw the structure of the compound (R)-4-ethyloctane.

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Alkanes and Cycloalkanes

Chemical Reactivity and Mechanisms

Alkyl Halides: Nucleophilic Substitution and Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Introduction to Organometallic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Which of the following is the correct IUPAC name of the following structure? SHAPE \* MERGEFORMAT $Which of the following is the correct IUPAC name of the following structure? SHAPE \* MERGEFORMAT$ $Which of the following is the correct IUPAC name of the following structure? SHAPE \* MERGEFORMAT$

Draw all the isomers with molecular formula C₄H₈.