Filters
Question type
Study Flashcards

Identify all configurational isomers. Identify all configurational isomers. A) B and D, A and C B) A and C C) B and D D) A and B, A and D, B and C, C and D E) B and D, A and B, A and D, B and C, C and D


A) B and D, A and C
B) A and C
C) B and D
D) A and B, A and D, B and C, C and D
E) B and D, A and B, A and D, B and C, C and D

Correct Answer

verifed

verified

Is the molecule shown chiral? Is it a meso compound? Is the molecule shown chiral? Is it a meso compound?

Correct Answer

verifed

verified

not chiral...

View Answer

Which of the following statements correctly describes the molecule shown below? Which of the following statements correctly describes the molecule shown below? A) It is achiral. B) It is meso. C) Its asymmetric center possesses the R configuration. D) The mirror image of this molecule is its enantiomer. E) The molecule possesses enantiotopic hydrogens.


A) It is achiral.
B) It is meso.
C) Its asymmetric center possesses the R configuration.
D) The mirror image of this molecule is its enantiomer.
E) The molecule possesses enantiotopic hydrogens.

Correct Answer

verifed

verified

A sample of (+)and (-)-3-chlorohexane has a rotation of -20 degrees. Pure (+)-3-chlorohexane has a rotation of +40 degrees. Calculate the enantiomeric excess and the amount of (-)and (+)-3-chlorohexane in the original sample.

Correct Answer

verifed

verified

50%, 75% (...

View Answer

Is the molecule shown below chiral or achiral? Is the molecule shown below chiral or achiral?

Correct Answer

verifed

verified

Is the molecule shown chiral? Is it a meso compound? Is the molecule shown chiral? Is it a meso compound?

Correct Answer

verifed

verified

not chiral...

View Answer

Provide a careful structure for (2S,3R)-2,3-dibromohexane.

Correct Answer

verifed

verified

What is the relationship between the structures shown below? What is the relationship between the structures shown below? A) enantiomers B) diastereomers C) configurational isomers D) identical compounds E) constitutional isomers


A) enantiomers
B) diastereomers
C) configurational isomers
D) identical compounds
E) constitutional isomers

Correct Answer

verifed

verified

Twenty grams of a compound was dissolved in 100 mL of solvent and gave an observed rotation of -20 degrees. The sample tube is 4 dm long. Calculate the specific rotation.

Correct Answer

verifed

verified

In the Fischer projection below, what are the configurations of the two asymmetric centers? In the Fischer projection below, what are the configurations of the two asymmetric centers? A) 2R, 3R B) 2R, 3S C) 2S, 3R D) 2S, 3S E) cannot be determined from structure


A) 2R, 3R
B) 2R, 3S
C) 2S, 3R
D) 2S, 3S
E) cannot be determined from structure

Correct Answer

verifed

verified

Is the molecule shown below chiral or achiral? Is the molecule shown below chiral or achiral?

Correct Answer

verifed

verified

What is the relationship between the following compounds? What is the relationship between the following compounds? A) superimposable without bond rotation B) constitutional isomers C) conformational isomers D) diastereomers E) enantiomers


A) superimposable without bond rotation
B) constitutional isomers
C) conformational isomers
D) diastereomers
E) enantiomers

Correct Answer

verifed

verified

Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers, or the same compound? Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers, or the same compound?

Correct Answer

verifed

verified

Give the number of asymmetric centers in limonene. Give the number of asymmetric centers in limonene. A) 2 B) 3 C) 1 D) 5 E) 4


A) 2
B) 3
C) 1
D) 5
E) 4

Correct Answer

verifed

verified

Give the complete name(s)of the following compound. Give the complete name(s)of the following compound.

Correct Answer

verifed

verified

(2R, 4S)-2,4-dichlor...

View Answer

Draw the structure of (2S,3R)-dichloropentane. Take particular care to indicate three-dimensional stereochemistry detail properly.

Correct Answer

verifed

verified

Which of the following is a meso compound?


A) trans-1, 4-dimethylcyclohexane
B) cis-1, 3-dimethylcyclohexane
C) trans-1, 3-dimethylcyclohexane
D) cis-1, 4-dimethylcyclohexane
E) trans-1, 2-dimethylcyclohexane

Correct Answer

verifed

verified

Which of the statements below correctly describes an achiral molecule?


A) The molecule has a nonsuperimposable mirror image.
B) The molecule exhibits optical activity when it interacts with plane-polarized light.
C) The molecule has an enantiomer.
D) The molecule might be a meso form.
E) none of the above

Correct Answer

verifed

verified

Which of the following compounds has an asymmetric center? Which of the following compounds has an asymmetric center? A) I B) II C) III D) IV E) V


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

Correct Answer

verifed

verified

A mixture of equal amounts of two enantiomers ________.


A) is called a racemic mixture
B) is optically inactive
C) implies that the enantiomers are meso forms
D) both A and B
E) none of the above

Correct Answer

verifed

verified

Showing 81 - 100 of 111

Related Exams

Exam 1

Remembering General Chemistry: Electronic Structure and Bonding

81 Questions

Exam 2

Acids and Bases: Central to Understanding Organic Chemistry

37 Questions

Exam 3

An Introduction to Organic Compounds

123 Questions

Exam 5

Alkenes Thermodynamics and Kinetics

76 Questions

Exam 6

Reactions of Alkenes

93 Questions

Exam 7

Reactions of Alkynes Introduction to Multistep Synthesis

119 Questions

Exam 8

Electron Delocalization, Resonance, and Aromaticity More About Molecular Orbital Theory

166 Questions

Exam 9

Substitution Reactions of Alkyl Halides

118 Questions

Exam 10

Elimination Reactions of Alkyl Halides Competition Between Substitution and Elimination

94 Questions

Exam 11

Reactions of Alcohols, Ethers, Epoxides, and Sulfur-Containing Compounds

100 Questions

Exam 12

Organometallic Compounds

57 Questions

Exam 13

Reactions of Alkanes, Radicals

130 Questions

Exam 14

Mass Spectrometry, Infrared Spectroscopy, and Uvvis Spectroscopy

127 Questions

Exam 15

Nmr Spectroscopy

110 Questions

Exam 16

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

128 Questions

Exam 17

Reactions of Aldehydes and Ketones

116 Questions

Exam 18

Reactions at the Alpha Carbon of Carbonyl Compounds

113 Questions

Exam 19

Reactions of Benzene and Substituted Benzenes

155 Questions

Exam 20

More About Amines Heterocylic Compounds

115 Questions

Exam 21

Carbohydrates

100 Questions

Exam 22

Amino Acids, Peptides, and Proteins

105 Questions

Exam 23

Catalysis

85 Questions

Exam 24

The Organic Mechanisms of the Coenzymes

92 Questions

Exam 25

The Chemistry of Metabolism

94 Questions

Exam 26

Nucleosides, Nucleotides, and Nucleic Acids

85 Questions

Exam 27

Synthetic Polymers

106 Questions

Exam 28

Pericyclic Reactions

92 Questions

Show Answer