Question 1

Provide the bond-line structure of (2Z,6E)-octa-2,6-diene.

Accepted Answer

The answer of Provide the bond-line structure of (2Z,6E)-octa-2,6-diene....

Question 2

Which of the following compounds is most reactive (least stable)?
a.(Z)-cycloheptene
b.(E)-cycloheptene
c.(Z)-cyclooctene
d.(E)-cyclooctene

Accepted Answer

A) True 
 B)False

Question 3

The structure for 2,3-dimethyl-2-pentene is shown below.

Accepted Answer

A) True 
 B)False

Question 4

How many constitutional isomeric alkenes are there with the formula C6H12?

Accepted Answer

A) 9 
B) 11 
C) 12 
D) 13 
A) 9 
B) 11 
C) 12 
D) 13

Question 5

What type of molecular orbital is formed by the overlap of atomic orbitals shown?

Accepted Answer

A) " $\sigma$ bonding" 
B) " $\sigma$ antibonding" 
C) "$\pi$ bonding" 
D) "$\pi$ antibonding" 
A) " $\sigma$ bonding" 
B) " $\sigma$ antibonding" 
C) "$\pi$ bonding" 
D) "$\pi$ antibonding"

Question 6

What is the IUPAC name of the following compound?

Accepted Answer

(2E,4Z)-2,

Question 7

Provide the bond-line structure of (2E,5E)-2,5-octadiene.

Accepted Answer

The answer of Provide the bond-line structure of (2E,5E)-2,5-octadiene....

Question 8

Consider the compounds named below. Use the letter of the substance to answer the following questions. Some letters may be used more than once. Some questions may have more than one correct answer. In the latter case, only one letter need be given.
-The compound with the lowest boiling point is represented by the letter ______.

Accepted Answer

A) propene 
B) 1-butene 
C) 2-butene 
D) 1-pentene 
E) 2-pentene 
A) propene 
B) 1-butene 
C) 2-butene 
D) 1-pentene 
E) 2-pentene

Question 9

In the carbon-carbon bond of an alkene, a $\pi$ bond is considerably weaker than a  $\sigma$ bond.

Accepted Answer

A) True 
 B)False

Question 10

How many isomers of 1,6-heptadiene exist?

Accepted Answer

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

Question 11

Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 1?

Accepted Answer

A) C5H8N2 
B) C5H11N 
C) C6H11N 
D) C5H13NO2 
A) C5H8N2 
B) C5H11N 
C) C6H11N 
D) C5H13NO2

Question 12

Which of the following is not true regarding alkenes?

Accepted Answer

A) Alkenes are non polar. 
B) Alkenes burn in air to give H2O and CO2. 
C) Alkenes are highly miscible with water. 
D) The strongest intermolecular force between alkene molecules is the van der Waals interaction. 
A) Alkenes are non polar. 
B) Alkenes burn in air to give H2O and CO2. 
C) Alkenes are highly miscible with water. 
D) The strongest intermolecular force between alkene molecules is the van der Waals interaction.

Question 13

What is the IUPAC name of the following compound?

Accepted Answer

(2Z,5Z)-2,

Question 14

Using the EZ system, the following would designated as the ____isomer.

Accepted Answer

The answer of Using the EZ system, the following would...

Question 15

What is the name of the following compound?

Accepted Answer

A) vinylcyclohexane 
B) allylcyclohexane 
C) methylenecyclohexane 
D) propargylcyclohexane 
A) vinylcyclohexane 
B) allylcyclohexane 
C) methylenecyclohexane 
D) propargylcyclohexane

Question 16

Provide the bond-line structure of (E)-3-chloro-3-hexene.

Accepted Answer

The answer of Provide the bond-line structure of (E)-3-chloro-3-hexene....

Question 17

Which is the correct assignment of the common names of the following compounds?

Accepted Answer

A) 1 = ethylene; 2 = isobutylene; 3 = isoprene 
B) 1 = acetylene; 2 = isoprene; 3 = isobutylene 
C) 1 = ethylene; 2 = isoprene; 3 = isobutylene 
D) 1 = acetylene; 2 = isobutylene; 3 = isoprene 
A) 1 = ethylene; 2 = isobutylene; 3 = isoprene 
B) 1 = acetylene; 2 = isoprene; 3 = isobutylene 
C) 1 = ethylene; 2 = isoprene; 3 = isobutylene 
D) 1 = acetylene; 2 = isobutylene; 3 = isoprene

Question 18

What is the IUPAC name of the following compound?

Accepted Answer

A) bicyclo[6.2]oct-2-ene 
B) bicyclo[4.4.4]oct-2-ene 
C) bicyclo[2.2.2]-2-octene 
D) bicyclo[2.2]-2-octene 
A) bicyclo[6.2]oct-2-ene 
B) bicyclo[4.4.4]oct-2-ene 
C) bicyclo[2.2.2]-2-octene 
D) bicyclo[2.2]-2-octene

Question 19

Which of the following does not correspond to a molecular formula of a neutral compound?

Accepted Answer

A) C5H5Br 
B) C5H7Cl2 
C) C5H5Br3 
D) C5H8Cl4 
A) C5H5Br 
B) C5H7Cl2 
C) C5H5Br3 
D) C5H8Cl4

Question 20

Which of the following compounds does not have a hydrogen deficiency of 5?

Accepted Answer

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

Exam 5: Alkenes: Bonding, Nomenclature, and Properties

Provide the bond-line structure of (2Z,6E)-octa-2,6-diene.

Which of the following compounds is most reactive (least stable)? a.(Z)-cycloheptene b.(E)-cycloheptene c.(Z)-cyclooctene d.(E)-cyclooctene

The structure for 2,3-dimethyl-2-pentene is shown below.

How many constitutional isomeric alkenes are there with the formula C6H12?

What type of molecular orbital is formed by the overlap of atomic orbitals shown?

What is the IUPAC name of the following compound?

Provide the bond-line structure of (2E,5E)-2,5-octadiene.

In the carbon-carbon bond of an alkene, a π\piπ bond is considerably weaker than a σ\sigmaσ bond.

How many isomers of 1,6-heptadiene exist?

Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 1?

Which of the following is not true regarding alkenes?

What is the IUPAC name of the following compound?

Using the EZ system, the following would designated as the ____isomer.

What is the name of the following compound?

Provide the bond-line structure of (E)-3-chloro-3-hexene.

Which is the correct assignment of the common names of the following compounds?

What is the IUPAC name of the following compound?

Which of the following does not correspond to a molecular formula of a neutral compound?

Which of the following compounds does not have a hydrogen deficiency of 5?

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

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

How many constitutional isomeric alkenes are there with the formula C₆H₁₂?

In the carbon-carbon bond of an alkene, a $\pi$ bond is considerably weaker than a $\sigma$ bond.