Question 1

What is the approximate value of the length of the carbon-carbon bond in ethene?

Accepted Answer

A)  121 pm 
B)  134 pm 
C)  142 pm 
D)  154 pm 
A)  121 pm 
B)  134 pm 
C)  142 pm 
D)  154 pm

Question 2

What is the approximate value of the C-C-C bond angle in propene?

Accepted Answer

A)  90$\degree$ 
B)  109$\degree$ 
C)  120$\degree$ 
D)  180$\degree$ 
A)  90$\degree$ 
B)  109$\degree$ 
C)  120$\degree$ 
D)  180$\degree$

Question 3

What types of units make up terpenes?

Accepted Answer

A)  isoprene 
B)  propene 
C)  vitamin A 
D)  pentadiene 
A)  isoprene 
B)  propene 
C)  vitamin A 
D)  pentadiene

Question 4

What is the value of the index of hydrogen deficiency of a molecule with the formula C9H10?

Accepted Answer

Question 5

What is the IUPAC name of the following compound?

Accepted Answer

(2Z,5Z)-2,

Question 6

What is the index of hydrogen deficiency of a compound with a molecular formula of C6H8?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
A)  0 
B)  1 
C)  2 
D)  3

Question 7

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 8

What is the IUPAC name of the following compound?

Accepted Answer

(2E,4Z)-2,

Question 9

How many isomers of 1,3,5-heptatriene exist?

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  8 
A)  1 
B)  2 
C)  4 
D)  8

Question 10

What is the index of hydrogen deficiency of a compound with a molecular formula of C5H9Br?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
A)  0 
B)  1 
C)  2 
D)  3

Question 11

Which is the correct assignment of the 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 12

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 13

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 14

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 15

What is the IUPAC name of the following compound?

Accepted Answer

(E)-3-meth

Question 16

What is the IUPAC name of the following compound?

Accepted Answer

(Z)-5-meth

Question 17

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 18

Which of the following substituents has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds?

Accepted Answer

A)  -CH(CH3)2 
B)  -CH2OCH3 
C)  -CH2CH3 
D)  -CH2Br 
A)  -CH(CH3)2 
B)  -CH2OCH3 
C)  -CH2CH3 
D)  -CH2Br

Question 19

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 20

Which of the following compounds is most reactive (least stable)?

Accepted Answer

A)  (Z)-cycloheptene 
B)  (
E) -cycloheptene 
C)  (Z)-cyclooctene 
D)  (
E) -cyclooctene 
A)  (Z)-cycloheptene 
B)  (
E) -cycloheptene 
C)  (Z)-cyclooctene 
D)  (
E) -cyclooctene

Exam 5: Alkenes: Bonding, Nomenclature, and Properties

What is the approximate value of the length of the carbon-carbon bond in ethene?

What is the approximate value of the C-C-C bond angle in propene?

What types of units make up terpenes?

What is the value of the index of hydrogen deficiency of a molecule with the formula C9H10?

What is the IUPAC name of the following compound?

What is the index of hydrogen deficiency of a compound with a molecular formula of C6H8?

What is the name of the following compound?

What is the IUPAC name of the following compound?

How many isomers of 1,3,5-heptatriene exist?

What is the index of hydrogen deficiency of a compound with a molecular formula of C5H9Br?

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

What is the IUPAC name of the following compound?

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

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

What is the IUPAC name of the following compound?

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 substituents has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds?

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

Which of the following compounds is most reactive (least stable)?

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

Filters

What is the value of the index of hydrogen deficiency of a molecule with the formula C₉H₁₀?

What is the index of hydrogen deficiency of a compound with a molecular formula of C₆H₈?

What is the index of hydrogen deficiency of a compound with a molecular formula of C₅H₉Br?

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