Question 1

Complete the following combustion reaction, assuming that only CO2 and H2O are formed.

Accepted Answer

8, 5, 6

Question 2

Draw a wedge and dash structure of the following Newman projection.

Accepted Answer

The answer of Draw a wedge and dash structure of...

Question 3

Which of the following cycloalkanes has the least angle strain?

Accepted Answer

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

Question 4

Which of the following illustrates an equatorial OH?

Accepted Answer

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

Question 5

Which of the following illustrates an axial OH?

Accepted Answer

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

Question 6

Draw the most stable chair conformer of cis-1,4-diethylcyclohexane.

Accepted Answer

The answer of Draw the most stable chair conformer of...

Question 7

What is the structure of 3-ethyl-3-methylpentane?

Accepted Answer

The answer of What is the structure of 3-ethyl-3-methylpentane?...

Question 8

What is the name of the parent chain of the following compound?

Accepted Answer

The answer of What is the name of the parent...

Question 9

Draw the most stable chair conformer of the most stable isomer of 1-ethyl-3-isopropylcyclohexane.

Accepted Answer

The answer of Draw the most stable chair conformer of...

Question 10

Is the following labeled H axial or equatorial?

Accepted Answer

The answer of Is the following labeled H axial or...

Question 11

What is the IUPAC name of the following compound?

Accepted Answer

A)  2,3,5-triethylhexane 
B)  2,4,5-triethylhexane 
C)  2,4-diethyl-5-methylheptane 
D)  4-ethyl-3,6-dimethyloctane 
A)  2,3,5-triethylhexane 
B)  2,4,5-triethylhexane 
C)  2,4-diethyl-5-methylheptane 
D)  4-ethyl-3,6-dimethyloctane

Question 12

Are the two substituents cis or trans?

Accepted Answer

A)  trans 
B)  cis 
C)  neither 
A)  trans 
B)  cis 
C)  neither

Question 13

What is the IUPAC name of the following compound?

Accepted Answer

bicyclo[4.

Question 14

Which of the following is a wedge and dash structure for the following Newman projection?

Accepted Answer

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

Question 15

What is the IUPAC name of the following compound?

Accepted Answer

A)  1-ethyl-2-methylcyclohexane 
B)  2-ethyl-1-methylcyclohexane 
C)  1-ethyl-2-methylhexane 
D)  cyclononane 
A)  1-ethyl-2-methylcyclohexane 
B)  2-ethyl-1-methylcyclohexane 
C)  1-ethyl-2-methylhexane 
D)  cyclononane

Question 16

Which of the following is a CH3-H eclipsed conformation for butane?

Accepted Answer

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

Question 17

What is the energy difference between the staggered and eclipsed conformations of 2,2,-dimethylpropane if the eclipsing cost of Me and H is 6 kJ/mol?

Accepted Answer

The answer of What is the energy difference between the...

Question 18

Draw a Newman projection for the following compound as viewed down the indicated bond in the conformation shown.

Accepted Answer

The answer of Draw a Newman projection for the following...

Question 19

Are the two substituents cis or trans?

Accepted Answer

A)  trans 
B)  cis 
C)  neither 
A)  trans 
B)  cis 
C)  neither

Question 20

Which of the following is the most stable isomer?

Accepted Answer

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

Exam 4: Alkanes and Cycloalkanes

Complete the following combustion reaction, assuming that only CO2 and H2O are formed.

Draw a wedge and dash structure of the following Newman projection.

Which of the following cycloalkanes has the least angle strain?

Which of the following illustrates an equatorial OH?

Which of the following illustrates an axial OH?

Draw the most stable chair conformer of cis-1,4-diethylcyclohexane.

What is the structure of 3-ethyl-3-methylpentane?

What is the name of the parent chain of the following compound?

Draw the most stable chair conformer of the most stable isomer of 1-ethyl-3-isopropylcyclohexane.

Is the following labeled H axial or equatorial?

What is the IUPAC name of the following compound?

Are the two substituents cis or trans?

What is the IUPAC name of the following compound?

Which of the following is a wedge and dash structure for the following Newman projection?

What is the IUPAC name of the following compound?

Which of the following is a CH3-H eclipsed conformation for butane?

What is the energy difference between the staggered and eclipsed conformations of 2,2,-dimethylpropane if the eclipsing cost of Me and H is 6 kJ/mol?

Draw a Newman projection for the following compound as viewed down the indicated bond in the conformation shown.

Are the two substituents cis or trans?

Which of the following is the most stable isomer?

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

Molecular Representations

Acids and Bases

Stereoisomerism

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

Complete the following combustion reaction, assuming that only CO₂ and H₂O are formed.

Which of the following is a CH₃-H eclipsed conformation for butane?