Question 1

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 2

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 3

Consider the following table. 2 for cyclopropane? A) 12 kJ B) 37 kJ C) 110 kJ D) 230" class="answers-bank-image d-inline" rel="preload" >
What is the approximate strain energy per CH2 for cyclopropane?

Accepted Answer

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

Question 4

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

Accepted Answer

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

Question 5

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

Question 6

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 7

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.

Question 8

Which of the following would produce the greatest amount of 1,3-diaxial strain when substituted for Cl in the following structure? 3) 3 D) CO2H" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

What relationship exists between the following two structures?

Accepted Answer

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

Question 11

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

Accepted Answer

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

Question 12

Draw: 3,5-dicyclohexylnonane

Accepted Answer

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

Question 13

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.

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It appears that the input question you'r...

Question 14

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 15

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

Accepted Answer

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

Question 16

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.

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Question 17

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 18

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°.

Question 19

Draw: 3-cyclobutylpentane

Accepted Answer

The answer of Draw: 3-cyclobutylpentane...

Question 20

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

Exam 4: Organic Compounds: Cycloalkanes and Their Stereochemistry

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

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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?

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

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B

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

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The two structures show below represent:

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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?

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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:

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

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

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What relationship exists between the following two structures?

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C

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

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Draw: 3,5-dicyclohexylnonane

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

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

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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.

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11eab917_1521_1f35_99e6_a145240fed31_TB4944_00 11ecd127_40b4_99de_9325_9579652703f4_TB4944_00 Conformer B is more stable than conformer A by 3.8 kJ/mol.

In methylcyclohexane:

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Draw: 3-cyclobutylpentane

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

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Exam 4: Organic Compounds: Cycloalkanes and Their Stereochemistry

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

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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?

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

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

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The two structures show below represent:

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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?

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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:

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

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

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What relationship exists between the following two structures?

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

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Draw: 3,5-dicyclohexylnonane

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

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

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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.

Correct Answerverified11eab917_1521_1f35_99e6_a145240fed31_TB4944_00 11ecd127_40b4_99de_9325_9579652703f4_TB4944_00 Conformer B is more stable than conformer A by 3.8 kJ/mol.

In methylcyclohexane:

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Draw: 3-cyclobutylpentane

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

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

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B

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C

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11eab917_1521_1f35_99e6_a145240fed31_TB4944_00 11ecd127_40b4_99de_9325_9579652703f4_TB4944_00 Conformer B is more stable than conformer A by 3.8 kJ/mol.

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