Question 1

Consider the following table.  
What is the approximate strain energy per CH2 for cyclopropane?

Accepted Answer

A) 12 kJ 
B) 37 kJ 
C) 110 kJ 
D) 230 
A) 12 kJ 
B) 37 kJ 
C) 110 kJ 
D) 230 B

Question 2

What relationship exists between the following two structures?

Accepted Answer

A) identical molecules 
B) constitutional isomers 
C) stereoisomers 
D) different molecules 
A) identical molecules 
B) constitutional isomers 
C) stereoisomers 
D) different molecules C

Question 3

Below are the two chair conformations of a 1,2,4-trimethylcyclohexane.Estimate the amount of 1,3-diaxial strain in each conformer and predict which conformer is most stable.

Accepted Answer

Conformer B is more stable than conformer A by 3.8 kJ/mol.

Question 4

Exhibit 4-3
The following question(s) refer to the structure of camphor shown below.  
-Refer to Exhibit 4-3.Camphor is an example of a:

Accepted Answer

A) fused bicyclic molecule. 
B) bridged bicyclic molecule. 
C) fused tricyclic molecule. 
D) bridged tricyclic molecule. 
A) fused bicyclic molecule. 
B) bridged bicyclic molecule. 
C) fused tricyclic molecule. 
D) bridged tricyclic molecule.

Question 5

Exhibit 4-2
For each substituted cyclohexane below,draw its ring-flip isomer.Circle the most stable conformation.
-Refer to Exhibit 4-2.

Accepted Answer

The answer of Exhibit 4-2
For each substituted cyclohexane below,draw its...

Question 6

Exhibit 4-4
Label each pair of compounds below as:
-_____

Accepted Answer

A) conformational isomers 
B) stereoisomers 
C) constitutional isomers 
D) identical 
A) conformational isomers 
B) stereoisomers 
C) constitutional isomers 
D) identical

Question 7

Exhibit 4-1
Refer to the structure below to answer the following question(s):  
-Refer to Exhibit 4-1.Which of the labeled bonds are trans to bond b?

Accepted Answer

The answer of Exhibit 4-1
Refer to the structure below to...

Question 8

Which of the following would produce the greatest amount of 1,3-diaxial strain when substituted for Cl in the following structure?

Accepted Answer

A) CN 
B) OH 
C) C(CH3)3 
D) CO2H 
A) CN 
B) OH 
C) C(CH3)3 
D) CO2H

Question 9

Exhibit 4-2
For each substituted cyclohexane below,draw its ring-flip isomer.Circle the most stable conformation.
-Refer to Exhibit 4-2.

Accepted Answer

The answer of Exhibit 4-2
For each substituted cyclohexane below,draw its...

Question 10

In methylcyclohexane:

Accepted Answer

A) all carbon atoms are sp3 hybridized. 
B) ring-carbon atoms are sp2 hybridized and the methyl group is sp3 hybridized. 
C) all bond angles are approximately 120°. 
D) ring-bond angles are approximately 120° and the ring-methyl bond angle is approximately 109°. 
A) all carbon atoms are sp3 hybridized. 
B) ring-carbon atoms are sp2 hybridized and the methyl group is sp3 hybridized. 
C) all bond angles are approximately 120°. 
D) ring-bond angles are approximately 120° and the ring-methyl bond angle is approximately 109°.

Question 11

The original question was combined with #1.This placeholder question is here to maintain the integrity of the numbering system between the printed copy and ExamView.Therefore,it has been marked "do not use on test" in ExamView's question information dialog.As a result,this placeholder question is automatically prevented from being chosen as a test question.

Accepted Answer

The input question does not require an a

Question 12

Draw: 3,5-dicyclohexylnonane

Accepted Answer

The answer of Draw: 3,5-dicyclohexylnonane...

Question 13

Draw: 3-cyclobutylpentane

Accepted Answer

The answer of Draw: 3-cyclobutylpentane...

Question 14

Exhibit 4-4
Label each pair of compounds below as:
-_____

Accepted Answer

A) conformational isomers 
B) stereoisomers 
C) constitutional isomers 
D) identical 
A) conformational isomers 
B) stereoisomers 
C) constitutional isomers 
D) identical

Question 15

Consider the two methyl groups indicated with letters in the following molecular model.   These two groups are:

Accepted Answer

A) A: axial B: axial 
B) A: axial B: equatorial 
C) A: equatorial B: axial 
D) A: equatorial B: equatorial 
A) A: axial B: axial 
B) A: axial B: equatorial 
C) A: equatorial B: axial 
D) A: equatorial B: equatorial

Question 16

This question was omitted on the printed copy.This placeholder question is here to maintain the numbering system integrity between the printed copy and ExamView.Therefore,it has been marked "do not use on test" in ExamView's question information dialog.As a result,this placeholder question is automatically prevented from being chosen as a test question.

Accepted Answer

It appears that the input question you'r

Question 17

Exhibit 4-1
Refer to the structure below to answer the following question(s):  
-Refer to Exhibit 4-1.Which labeled bonds have a 1,3-diaxial interaction with each other?

Accepted Answer

The answer of Exhibit 4-1
Refer to the structure below to...

Question 18

Which of the following would have the smallest strain energy (kJ/mol)?

Accepted Answer

A) cyclobutane 
B) cyclopentane 
C) cyclohexane 
D) cyclooctane 
A) cyclobutane 
B) cyclopentane 
C) cyclohexane 
D) cyclooctane

Question 19

Exhibit 4-4
Label each pair of compounds below as:
-_____

Accepted Answer

A) conformational isomers 
B) stereoisomers 
C) constitutional isomers 
D) identical 
A) conformational isomers 
B) stereoisomers 
C) constitutional isomers 
D) identical

Question 20

The two structures show below represent:

Accepted Answer

A) constitutional isomers 
B) stereoisomers 
C) cis-trans isomers 
D) both b and c 
E) a,b and c 
A) constitutional isomers 
B) stereoisomers 
C) cis-trans isomers 
D) both b and c 
E) a,b and c

Exam 4: Organic Compounds: Cycloalkanes and Their Stereochemistry

Consider the following table. What is the approximate strain energy per CH2 for cyclopropane?

What relationship exists between the following two structures?

Below are the two chair conformations of a 1,2,4-trimethylcyclohexane.Estimate the amount of 1,3-diaxial strain in each conformer and predict which conformer is most stable.

Exhibit 4-3 The following question(s) refer to the structure of camphor shown below. -Refer to Exhibit 4-3.Camphor is an example of a:

Exhibit 4-2 For each substituted cyclohexane below,draw its ring-flip isomer.Circle the most stable conformation. -Refer to Exhibit 4-2.

Exhibit 4-4 Label each pair of compounds below as: -_____

Exhibit 4-1 Refer to the structure below to answer the following question(s): -Refer to Exhibit 4-1.Which of the labeled bonds are trans to bond b?

Which of the following would produce the greatest amount of 1,3-diaxial strain when substituted for Cl in the following structure?

Exhibit 4-2 For each substituted cyclohexane below,draw its ring-flip isomer.Circle the most stable conformation. -Refer to Exhibit 4-2.

In methylcyclohexane:

Draw: 3,5-dicyclohexylnonane

Draw: 3-cyclobutylpentane

Exhibit 4-4 Label each pair of compounds below as: -_____

Consider the two methyl groups indicated with letters in the following molecular model. These two groups are:

Exhibit 4-1 Refer to the structure below to answer the following question(s): -Refer to Exhibit 4-1.Which labeled bonds have a 1,3-diaxial interaction with each other?

Which of the following would have the smallest strain energy (kJ/mol)?

Exhibit 4-4 Label each pair of compounds below as: -_____

The two structures show below represent:

Structure and Bonding

Polar Covalent Bonds;acids and Bases

Organic Compounds: Alkanes and Their Stereochemistry

Stereochemistry at Tetrahedral Centers

An Overview of Organic Reactions

Par 1

Alkenes: Structure and Reactivity

Alkenes: Reactions and Synthesis

Alkynes: an Introduction to Organic Synthesis

Organohalides

Reactions of Alkyl Halides: Nucleophilic Substitutions and Eliminations

Par 2

Structure Determination: Mass Spectrometry and Infrared Spectroscopy

Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Conjugated Compounds and Ultraviolet Spectroscopy

Par 3

Benzene and Aromaticity

Chemistry of Benzene: Electrophilic Aromatic Substitution

Alcohols and Phenols

Ethers and Epoxides;thiols and Sulfides

Aldehydes and Ketones: Nucleophilic Addition Reactions

Par 4

Carboxylic Acids and Nitriles

Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions

Carbonyl Alpha-Substitution Reactions

Carbonyl Condensation Reactions

Par 5

Amines and Heterocycles

Biomolecules: Carbohydrates

Biomolecules: Amino Acids,peptides,and Proteins

Par 7

Biomolecules: Lipids

Biomolecules: Nucleic Acids

The Organic Chemistry of Metabolic Pathways

Orbitals and Organic Chemistry: Pericyclic Reactions

Synthetic Polymers

Par 1

Filters

Consider the following table. What is the approximate strain energy per CH₂ for cyclopropane?