Question 1

What is the IUPAC name of the following compound?

Accepted Answer

A)  1-isopropyl-4,6-dimethylcyclohexane 
B)  1-isopropyl-2,4-dimethylcyclohexane 
C)  4-isopropyl-1,3-dimethylcyclohexane 
D)  4-isopropyl-1,5-dimethylcyclohexane 
A)  1-isopropyl-4,6-dimethylcyclohexane 
B)  1-isopropyl-2,4-dimethylcyclohexane 
C)  4-isopropyl-1,3-dimethylcyclohexane 
D)  4-isopropyl-1,5-dimethylcyclohexane B

Question 2

Which of the following statements is not true?

Accepted Answer

A)  Combustion of an alkane is an exothermic reaction. 
B)  The heat of combustion of propane is three times that of methane. 
C)  The constitutional isomers of C7H16 have different heats of combustion from one another 
D)  The products of combustion of an alkane are H2O and CO2. 
A)  Combustion of an alkane is an exothermic reaction. 
B)  The heat of combustion of propane is three times that of methane. 
C)  The constitutional isomers of C7H16 have different heats of combustion from one another 
D)  The products of combustion of an alkane are H2O and CO2. B

Question 3

What is the name of the linear hydrocarbon with the molecular formula C11H24?

Accepted Answer

A)  heptane 
B)  decane 
C)  undecane 
D)  eicosane 
A)  heptane 
B)  decane 
C)  undecane 
D)  eicosane C

Question 4

What is the approximate dihedral angle between the two chlorine atoms in the diequatorial conformation of trans-1,2-dichlorocyclohexane?

Accepted Answer

A)  0° 
B)  60° 
C)  120° 
D)  180° 
A)  0° 
B)  60° 
C)  120° 
D)  180°

Question 5

The following structures represent a pair of constitutional isomers.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following compounds has 1°, 2°, 3° and 4° carbon atoms?

Accepted Answer

A)  hexane 
B)  2-methylhexane 
C)  2,2-dimethylhexane 
D)  2,2,3-trimethylhexane 
A)  hexane 
B)  2-methylhexane 
C)  2,2-dimethylhexane 
D)  2,2,3-trimethylhexane

Question 7

What is the IUPAC name of the following compound?

Accepted Answer

2,2,4-trim

Question 8

What is the IUPAC name of the following compound?

Accepted Answer

bicyclo[2.

Question 9

How many hydrogen atoms are there in nonane, the linear hydrocarbon with nine carbon atoms?

Accepted Answer

A)  16 
B)  18 
C)  20 
D)  22 
A)  16 
B)  18 
C)  20 
D)  22

Question 10

The most stable conformation of an alkane occurs when carbon−carbon bonds are staggered and bulky groups are anti.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is the steroid nucleus?

Accepted Answer

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

Question 12

The following pairs of Newman projections represent the same compound but in differing conformations.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following Newman projections does not represent 2-methylhexane?

Accepted Answer

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

Question 14

What is the IUPAC name of the following compound?

Accepted Answer

A)  1-methylbicyclo[2.2.1]heptane 
B)  2-methylbicyclo[2.2.1]heptane 
C)  3-methylbicyclo[2.2.1]heptane 
D)  4-methylbicyclo[2.2.1]heptane 
A)  1-methylbicyclo[2.2.1]heptane 
B)  2-methylbicyclo[2.2.1]heptane 
C)  3-methylbicyclo[2.2.1]heptane 
D)  4-methylbicyclo[2.2.1]heptane

Question 15

The following structures represent, from left to right, a cis and a trans isomer.

Accepted Answer

A) True 
 B)False

Question 16

The total numbers of 2⁰ and 3⁰ carbon atoms in the following structure are _____ and _____, respectively. ​

Accepted Answer

A)  3; 7 
B)  7; 4 
C)  4; 6 
D)  6; 4 
A)  3; 7 
B)  7; 4 
C)  4; 6 
D)  6; 4

Question 17

How many hydrogen atoms are there in dodecane, the linear hydrocarbon with twelve carbon atoms?

Accepted Answer

A)  12 
B)  20 
C)  24 
D)  26 
A)  12 
B)  20 
C)  24 
D)  26

Question 18

Which of the following alkanes has the highest boiling point?

Accepted Answer

A)  2,3-dimethylbutane 
B)  2-methylpentane 
C)  3-methylpentane 
D)  hexane 
A)  2,3-dimethylbutane 
B)  2-methylpentane 
C)  3-methylpentane 
D)  hexane

Question 19

The correct IUPAC name for the following compound is___________________________. $\quad$$\quad$$\quad$$\quad$$\quad$$\mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3}$
$\quad$$\quad$$\quad$$\quad$$\quad$  |
$\mathrm{CH}_{3} \mathrm{CHCH}_{2} \mathrm{CHCHCH}_{3}$
$\quad$$\quad$|$\quad$$\quad$$\quad$$\quad$$\quad$|
$\quad$$\quad$$\mathrm{CH}_{2} \mathrm{CH}_{3} \quad \mathrm{CH}_{3}$

Accepted Answer

3-methyl-5-(1-methyl

Question 20

What is the name of the linear hydrocarbon with the molecular formula C7H16?

Accepted Answer

A)  hexane 
B)  heptane 
C)  decane 
D)  undecane 
A)  hexane 
B)  heptane 
C)  decane 
D)  undecane

Exam 2: Alkanes and Cycloalkanes

What is the IUPAC name of the following compound?

Which of the following statements is not true?

What is the name of the linear hydrocarbon with the molecular formula C11H24?

What is the approximate dihedral angle between the two chlorine atoms in the diequatorial conformation of trans-1,2-dichlorocyclohexane?

The following structures represent a pair of constitutional isomers.

Which of the following compounds has 1°, 2°, 3° and 4° carbon atoms?

What is the IUPAC name of the following compound?

What is the IUPAC name of the following compound?

How many hydrogen atoms are there in nonane, the linear hydrocarbon with nine carbon atoms?

The most stable conformation of an alkane occurs when carbon−carbon bonds are staggered and bulky groups are anti.

Which of the following is the steroid nucleus?

The following pairs of Newman projections represent the same compound but in differing conformations.

Which of the following Newman projections does not represent 2-methylhexane?

What is the IUPAC name of the following compound?

The following structures represent, from left to right, a cis and a trans isomer.

The total numbers of 2⁰ and 3⁰ carbon atoms in the following structure are _____ and _____, respectively. ​

How many hydrogen atoms are there in dodecane, the linear hydrocarbon with twelve carbon atoms?

Which of the following alkanes has the highest boiling point?

What is the name of the linear hydrocarbon with the molecular formula C7H16?

Covalent Bonding and Shapes of Molecules

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

Filters

What is the name of the linear hydrocarbon with the molecular formula C₁₁H₂₄?

The total numbers of 2⁰ and 3⁰ carbon atoms in the following structure are _ and _, respectively.

What is the name of the linear hydrocarbon with the molecular formula C₇H₁₆?