Question 1

For which of the following halogenated hydrocarbons is cis-trans isomerism possible?

Accepted Answer

A)  1,1-dichloroethene 
B)  1,2-dichloroethene 
C)  1,2-dichloroethyne 
D)  more than one correct response 
E)  no correct response 
A)  1,1-dichloroethene 
B)  1,2-dichloroethene 
C)  1,2-dichloroethyne 
D)  more than one correct response 
E)  no correct response B

Question 2

Characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: (1) Ethene is both a plant hormone and a high-volume industrial chemical.
(2) Carotenoids, compounds which give odor to flowers and plants, have a system of conjugated double bonds as a structural feature.
(3) The process of vision in the human eye involves changes in which carbon-carbon double bonds are converted to carbon-carbon triple bonds.

Accepted Answer

A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true. 
A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true. C

Question 3

Which of the following addition polymers is produced from monomers that are dienes?

Accepted Answer

A)  polyethylene 
B)  polypropylene 
C)  polyvinylchloride 
D)  natural rubber 
A)  polyethylene 
B)  polypropylene 
C)  polyvinylchloride 
D)  natural rubber D

Question 4

Characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: (1) Ethene and ethane molecules have the same geometrical shape.
(2) Two double bonds are present in the compound allyl chloride.
(3) Cis-trans isomerism is possible in both 1-butene and 2-butene.

Accepted Answer

A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true. 
A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true.

Question 5

A cycloalkene having only one carbon-carbon double bond will have the general formula

Accepted Answer

A)  CnH2n+2 
B)  CnH2n 
C)  CnH2n-2 
D)  CnH2n-4 
A)  CnH2n+2 
B)  CnH2n 
C)  CnH2n-2 
D)  CnH2n-4

Question 6

Which of the following reactions involving benzene require the presence of an AlCl3 catalyst?

Accepted Answer

A)  alkylation 
B)  bromination 
C)  chlorination 
D)  more than one correct response 
E)  no correct response 
A)  alkylation 
B)  bromination 
C)  chlorination 
D)  more than one correct response 
E)  no correct response

Question 7

Characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: (1) Alkenes with two to four carbon atoms are gases at room temperature and pressure.
(2) Aromatic hydrocarbons do not readily undergo addition reactions.
(3) HDPE, LDPE, and Teflon are all ethene-based addition polymers.

Accepted Answer

A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true. 
A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true.

Question 8

For the following reaction situation, select a correct product characterization using the response list: Cyclohexene + one Cl2

Accepted Answer

A)  monochlorinated hydrocarbon 
B)  dichlorinated hydrocarbon 
C)  trichlorinated hydrocarbon 
D)  tetrachlorinated hydrocarbon 
A)  monochlorinated hydrocarbon 
B)  dichlorinated hydrocarbon 
C)  trichlorinated hydrocarbon 
D)  tetrachlorinated hydrocarbon

Question 9

For the pair of compounds, select a correct characterization from the response list: 1-butyne and 1,3-butadiene.

Accepted Answer

A)  are constitutional isomers 
B)  have the same number of carbon atoms but are not constitutional isomers 
C)  both exist as cis-trans isomers 
D)  one but not the other exists in cis-trans forms 
A)  are constitutional isomers 
B)  have the same number of carbon atoms but are not constitutional isomers 
C)  both exist as cis-trans isomers 
D)  one but not the other exists in cis-trans forms

Question 10

From the response list, select the correct molecular formula for 2-methylcyclohexene.

Accepted Answer

A)  C7H8 
B)  C7H10 
C)  C7H12 
D)  C7H14 
A)  C7H8 
B)  C7H10 
C)  C7H12 
D)  C7H14

Question 11

For the following polymer, select a correct polymer characterization using the response list: Teflon.

Accepted Answer

A)  polymer in which all attachments to the carbon chain are identical 
B)  polymer in which two different monomers are involved 
C)  polymer in which the monomer is a substituted diene 
D)  polymer in which the monomer is a monosubstituted ethene 
A)  polymer in which all attachments to the carbon chain are identical 
B)  polymer in which two different monomers are involved 
C)  polymer in which the monomer is a substituted diene 
D)  polymer in which the monomer is a monosubstituted ethene

Question 12

Which of the following is an incorrect IUPAC name for a disubstituted benzene?

Accepted Answer

A)  2,3-dichlorobenzene 
B)  1-bromo-4-chlorobenzene 
C)  1-bromo-3-methylbenzene 
D)  more than one correct response 
E)  no correct response 
A)  2,3-dichlorobenzene 
B)  1-bromo-4-chlorobenzene 
C)  1-bromo-3-methylbenzene 
D)  more than one correct response 
E)  no correct response

Question 13

The correct IUPAC name for   is

Accepted Answer

A)  2-methylpentene 
B)  2-methyl-3,4-pentene 
C)  2-methyl-3-pentene 
D)  4-methyl-2-pentene 
A)  2-methylpentene 
B)  2-methyl-3,4-pentene 
C)  2-methyl-3-pentene 
D)  4-methyl-2-pentene

Question 14

For which of the following types of substituted benzenes is the specified number of constitutional isomers correct?

Accepted Answer

A)  dichlorobenzenes; 3 isomers 
B)  trichlorobenzenes; 4 isomers 
C)  tetrachlorobenzenes; 4 isomers 
D)  more than one correct response 
E)  no correct response 
A)  dichlorobenzenes; 3 isomers 
B)  trichlorobenzenes; 4 isomers 
C)  tetrachlorobenzenes; 4 isomers 
D)  more than one correct response 
E)  no correct response

Question 15

For the following reaction, select a correct product characterization from the response list.

Accepted Answer

A)  An alkane is formed. 
B)  An alkene is formed. 
C)  An aromatic hydrocarbon is formed. 
D)  Markovnikov's rule is needed to predict the major organic product. 
A)  An alkane is formed. 
B)  An alkene is formed. 
C)  An aromatic hydrocarbon is formed. 
D)  Markovnikov's rule is needed to predict the major organic product.

Question 16

For the pair of compounds, select a correct characterization from the response list: 2-pentene and 2-butene.

Accepted Answer

A)  are constitutional isomers 
B)  have the same number of carbon atoms but are not constitutional isomers 
C)  both exist as cis-trans isomers 
D)  one but not the other exists in cis-trans forms 
A)  are constitutional isomers 
B)  have the same number of carbon atoms but are not constitutional isomers 
C)  both exist as cis-trans isomers 
D)  one but not the other exists in cis-trans forms

Question 17

For the following polymer, select a correct polymer characterization using the response list: natural rubber.

Accepted Answer

A)  polymer in which all attachments to the carbon chain are identical 
B)  polymer in which two different monomers are involved 
C)  polymer in which the monomer is a substituted diene 
D)  polymer in which the monomer is a monosubstituted ethene 
A)  polymer in which all attachments to the carbon chain are identical 
B)  polymer in which two different monomers are involved 
C)  polymer in which the monomer is a substituted diene 
D)  polymer in which the monomer is a monosubstituted ethene

Question 18

For the following reaction, select a correct product characterization from the response list.

Accepted Answer

A)  An alkane is formed. 
B)  An alkene is formed. 
C)  An aromatic hydrocarbon is formed. 
D)  Markovnikov's rule is needed to predict the major organic product. 
A)  An alkane is formed. 
B)  An alkene is formed. 
C)  An aromatic hydrocarbon is formed. 
D)  Markovnikov's rule is needed to predict the major organic product.

Question 19

With the catalyst AlCl3 present, which reactant is needed to convert benzene to ethylbenzene?

Accepted Answer

A)  CH3-CH3 
B)  CH3-CH2-Cl 
C)  CH3-CH2-OH 
D)  CH2=CH2 
A)  CH3-CH3 
B)  CH3-CH2-Cl 
C)  CH3-CH2-OH 
D)  CH2=CH2

Question 20

Characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: (1) o-xylene is a benzene derivative with two methyl substituents.
(2) A number is not needed to specify double bond position in the IUPAC names of ethene and propene.
(3) Hydrohalogenation is a symmetrical addition reaction.

Accepted Answer

A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true. 
A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true.

Exam 13: Unsaturated Hydrocarbons

For which of the following halogenated hydrocarbons is cis-trans isomerism possible?

Which of the following addition polymers is produced from monomers that are dienes?

A cycloalkene having only one carbon-carbon double bond will have the general formula

Which of the following reactions involving benzene require the presence of an AlCl3 catalyst?

For the following reaction situation, select a correct product characterization using the response list: Cyclohexene + one Cl2

For the pair of compounds, select a correct characterization from the response list: 1-butyne and 1,3-butadiene.

From the response list, select the correct molecular formula for 2-methylcyclohexene.

For the following polymer, select a correct polymer characterization using the response list: Teflon.

Which of the following is an incorrect IUPAC name for a disubstituted benzene?

The correct IUPAC name for is

For which of the following types of substituted benzenes is the specified number of constitutional isomers correct?

For the following reaction, select a correct product characterization from the response list.

For the pair of compounds, select a correct characterization from the response list: 2-pentene and 2-butene.

For the following polymer, select a correct polymer characterization using the response list: natural rubber.

For the following reaction, select a correct product characterization from the response list.

With the catalyst AlCl3 present, which reactant is needed to convert benzene to ethylbenzene?

Basic Concepts About Matter

Measurements in Chemistry

Atomic Structure and the Periodic Table

Chemical Bonding: the Ionic Bond Model

Chemical Bonding: the Covalent Bond Model

Chemical Calculations: Formula Masses, Moles, and Chemical Equations

Gases, Liquids, and Solids

Solutions

Chemical Reactions

Acids, Bases, and Salts

Nuclear Chemistry

Saturated Hydrocarbons

Alcohols, Phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids, Esters, and Other Acid Derivatives

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes and Vitamins

Nucleic Acids

Biochemical Energy Production

Carbohydrate Metabolism

Lipid Metabolism

Protein Metabolism

Filters

Which of the following reactions involving benzene require the presence of an AlCl₃ catalyst?

For the following reaction situation, select a correct product characterization using the response list: Cyclohexene + one Cl₂

With the catalyst AlCl₃ present, which reactant is needed to convert benzene to ethylbenzene?