Filters
Question type
Study Flashcards

How many isomers can be drawn (constitutional and stereoisomers) for dimethycyclopropane?


A) 2
B) 3
C) 4
D) 6

Correct Answer

verifed

verified

Which of the following compounds is a meso compound?


A) (2R,3S) -dichlorobutane
B) (2R,3R) -dichlorobutane
C) (2R,3S) -3-chloro-2-butanol
D) (2R,3R) -3-chloro-2-butanol

Correct Answer

verifed

verified

Which of the following is the correct definition for a pair of enantiomers?


A) A pair of stereoisomers that have a plane of symmetry.
B) A pair of stereoisomers that are not mirror images of each other.
C) A pair of stereoisomers that are not superimposable mirror images of each other.
D) A pair of stereoisomers that are superimposable mirror images of each other.

Correct Answer

verifed

verified

Which of the following statements is true?


A) Enantiomers are mirror images that are not superimposable.
B) A molecule that is superimposable on its mirror image is chiral.
C) A chiral molecule usually contains a plane of symmetry.
D) An achiral molecule does not contain a plane of symmetry.

Correct Answer

verifed

verified

A

How many chiral stereoisomers can be drawn for dimethycyclopropane?


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

Correct Answer

verifed

verified

What is the relationship between the following compounds? What is the relationship between the following compounds? A) Constitutional isomers B) Diastereomers C) Enantiomers D) Identical


A) Constitutional isomers
B) Diastereomers
C) Enantiomers
D) Identical

Correct Answer

verifed

verified

How many isomers (constitutional and stereoisomers) exist for dimethylcyclobutane?


A) 3
B) 4
C) 5
D) 6

Correct Answer

verifed

verified

What is the main carbohydrate in the seeds and roots of plants?


A) Starch
B) Glucose
C) Cellulose
D) Glycogen

Correct Answer

verifed

verified

Which of the following statements about starch and cellulose is true?


A) Starch and cellulose are not stereoisomers.
B) In cellulose,the O atom joins two rings using one equatorial and one axial bond.
C) In starch,the O atom joins two rings using two equatorial bonds.
D) In cellulose,the O atom joins two rings using two equatorial bonds.

Correct Answer

verifed

verified

How many stereogenic centers are present in the following compound? How many stereogenic centers are present in the following compound? A) 0 B) 1 C) 2 D) 3


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

Correct Answer

verifed

verified

Give the IUPAC name for the following compound: Give the IUPAC name for the following compound: A) R-2,3-dimethylhexane B) S-2,3-dimethylhexane C) R-4,5-dimethylhexane D) S-4,5-dimethylhexane


A) R-2,3-dimethylhexane
B) S-2,3-dimethylhexane
C) R-4,5-dimethylhexane
D) S-4,5-dimethylhexane

Correct Answer

verifed

verified

Rank the following groups in order of decreasing priority according to the Cahn-Ingold-Prelog system. Rank the following groups in order of decreasing priority according to the Cahn-Ingold-Prelog system. A) IV > III > I > II B) IV > I > III > II C) III > IV > I > II D) II > I > III > IV


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

Correct Answer

verifed

verified

A

How much of the R enantiomer is present in 10 g of a mixture that has an enantiomeric excess of 30% of the S isomer?


A) 3) 0 g
B) 3) 5 g
C) 6) 5 g
D) 7) 0 g

Correct Answer

verifed

verified

Give the IUPAC name for the following compound: Give the IUPAC name for the following compound: A) (1R,3R) -1-ethyl-3-methylcyclohexane B) (1R,3S) -1-ethyl-3-methylcyclohexane C) (1S,3R) -1-ethyl-3-methylcyclohexane D) (1S,3S) -1-ethyl-3-methylcyclohexane


A) (1R,3R) -1-ethyl-3-methylcyclohexane
B) (1R,3S) -1-ethyl-3-methylcyclohexane
C) (1S,3R) -1-ethyl-3-methylcyclohexane
D) (1S,3S) -1-ethyl-3-methylcyclohexane

Correct Answer

verifed

verified

How many stereoisomers of 1,3-dibromocyclopentane exist?


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

Correct Answer

verifed

verified

C

If a mixture has an ee of 90%,what is the percentage of each enantiomer?


A) 65% : 35%
B) 55% : 45%
C) 80% : 20%
D) 95% : 5%

Correct Answer

verifed

verified

Which of the following compounds is identical to compound A? Which of the following compounds is identical to compound A? A) I and II B) II and III C) I and III D) II


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

Correct Answer

verifed

verified

Which of the following structures has the R configuration? Which of the following structures has the R configuration? A) Only I B) Only II C) Only I and II D) I,II,and III


A) Only I
B) Only II
C) Only I and II
D) I,II,and III

Correct Answer

verifed

verified

What is the relationship between the following two compounds? What is the relationship between the following two compounds? A) Constitutional isomers B) Stereoisomers C) Identical D) Not isomers,different compounds


A) Constitutional isomers
B) Stereoisomers
C) Identical
D) Not isomers,different compounds

Correct Answer

verifed

verified

Rank the following groups in order of decreasing priority according to the Cahn-Ingold-Prelog system. Rank the following groups in order of decreasing priority according to the Cahn-Ingold-Prelog system. A) I > II > III > IV B) II > I > IV > III C) II > I > III > IV D) I > II > IV > III


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

Correct Answer

verifed

verified

Showing 1 - 20 of 76

Related Exams

Exam 1

Structure and Bonding

77 Questions

Exam 2

Acids and Bases

59 Questions

Exam 3

Introduction to Organic Molecules and Functional Groups

56 Questions

Exam 4

Alkanes

64 Questions

Exam 6

Understanding Organic Reactions

53 Questions

Exam 7

Alkyl Halides and Nucleophilic Substitution

73 Questions

Exam 8

Alkyl Halides and Elimination Reactions

52 Questions

Exam 9

Alcohols,ethers,and Related Compounds

60 Questions

Exam 10

Alkenes and Addition Reactions

54 Questions

Exam 11

Alkynes and Synthesis

51 Questions

Exam 12

Oxidation and Reduction

51 Questions

Exam 13

Radical Reactions

51 Questions

Exam 14

Conjugation,resonance,and Dienes

53 Questions

Exam 15

Benzene and Aromatic Compounds

47 Questions

Exam 16

Reactions of Aromatic Compounds

60 Questions

Exam 17

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

59 Questions

Exam 18

Aldehydes and Ketones - Nucleophilic Addition

52 Questions

Exam 19

Carboxylic Acids and the Acidity of the O-H Bond

53 Questions

Exam 20

Carboxylic Acids and Their Derivatives Nucleophilic Acyl Substitution

50 Questions

Exam 21

Substitution Reactions of Carbonyl Compounds at the a Carbon

47 Questions

Exam 22

Carbonyl Condensation Reactions

51 Questions

Exam 23

Amines

65 Questions

Exam 24

Carbon-Carbon Bond-Forming Reactions in Organic Synthesis

47 Questions

Exam 25

Pericyclic Reactions

62 Questions

Exam 26

Carbohydrates

50 Questions

Exam 27

Amino Acids and Proteins

46 Questions

Exam 28

Synthetic Polymers

45 Questions

Exam 29

Lipids

45 Questions

Exam 30

Spectroscopy A: Mass Spectrometry

19 Questions

Exam 31

Spectroscopy B: Infrared Spectroscopy

39 Questions

Exam 32

Spectroscopy C: Nuclear Magnetic Resonance Spectroscopy

51 Questions

Show Answer