Question 1

What is the configuration of each of the given alkenes?

Accepted Answer

A)  (i) cis (ii) cis 
B)  (i) trans (ii) trans 
C)  (i) cis (ii) trans 
D)  (i) trans (ii) cis 
A)  (i) cis (ii) cis 
B)  (i) trans (ii) trans 
C)  (i) cis (ii) trans 
D)  (i) trans (ii) cis

Question 2

In which of the following reactions is alcohol formed as a product?

Accepted Answer

A)  the catalytic hydrogenation of propene 
B)  the acid-catalyzed hydration of propene 
C)  the hydrochlorination of propene 
D)  the thermal cracking of propene 
A)  the catalytic hydrogenation of propene 
B)  the acid-catalyzed hydration of propene 
C)  the hydrochlorination of propene 
D)  the thermal cracking of propene

Question 3

Which of the following core groups is present in all members of the vitamin K family?

Accepted Answer

A)  1,4-benzenedione 
B)  1,4-benzenediol 
C)  1,4-naphthoquinone 
D)  1,4-phenol ether 
A)  1,4-benzenedione 
B)  1,4-benzenediol 
C)  1,4-naphthoquinone 
D)  1,4-phenol ether

Question 4

Cis-trans isomers do not exist for which of the following compounds, all of which have the molecular formula C3H4Br2?

Accepted Answer

A)  1,1-dibromopropene 
B)  1,2-dibromopropene 
C)  1,3-dibromopropene 
D)  none of these 
A)  1,1-dibromopropene 
B)  1,2-dibromopropene 
C)  1,3-dibromopropene 
D)  none of these

Question 5

Consider the alkyne counterpart of the following compound.   Which of the following would characterize this alkyne?

Accepted Answer

A)  C4H10 
B)    
C)    
D)  C2H2 
E)  none of these 
A)  C4H10 
B)    
C)    
D)  C2H2 
E)  none of these

Question 6

Which of the following strategies is used while naming a cycloalkene?

Accepted Answer

A)  The substituents are numbered first, and the numbering is continued in the direction where the double bond gets the lowest possible number. 
B)  The cyclic ring is broken down at one of the positions of the double bond, and the numbering is done as with the alkenes. 
C)  The double bond is numbered 1 and 2 in the direction where a substituent gets the lowest possible number. 
D)  The double bond is numbered 1 and 2 in the direction where a substituent gets the highest possible number. 
A)  The substituents are numbered first, and the numbering is continued in the direction where the double bond gets the lowest possible number. 
B)  The cyclic ring is broken down at one of the positions of the double bond, and the numbering is done as with the alkenes. 
C)  The double bond is numbered 1 and 2 in the direction where a substituent gets the lowest possible number. 
D)  The double bond is numbered 1 and 2 in the direction where a substituent gets the highest possible number.

Question 7

Which of the following structural features is never associated with cis-trans isomerism?

Accepted Answer

A)  double bonds 
B)  ring systems 
C)  triple bonds 
D)  none of these 
A)  double bonds 
B)  ring systems 
C)  triple bonds 
D)  none of these

Question 8

A student wanted to use the branched groups, isobutyl, sec-butyl, and tert-butyl when naming alkenes but was told not to. What is the correct IUPAC name for the compound the student called sec-butylethene?

Accepted Answer

A)  4-methyl-1-pentene 
B)  3-methyl-1-pentene 
C)  3,3-dimethyl-1-butene 
D)  none of these 
A)  4-methyl-1-pentene 
B)  3-methyl-1-pentene 
C)  3,3-dimethyl-1-butene 
D)  none of these

Question 9

Which of the following is another name for hydrogenation?

Accepted Answer

A)  hydrolysis 
B)  hydration 
C)  reduction 
D)  oxidation 
A)  hydrolysis 
B)  hydration 
C)  reduction 
D)  oxidation

Question 10

Which of the following reactions involves the addition of different groups to both the ends of a double bond?

Accepted Answer

A)  hydration 
B)  hydrogenation 
C)  both hydration and hydrogenation 
D)  neither hydration nor hydrogenation 
A)  hydration 
B)  hydrogenation 
C)  both hydration and hydrogenation 
D)  neither hydration nor hydrogenation

Question 11

What is the correct IUPAC name for the following compound?

Accepted Answer

A)  2,2-dimethyl-4-pentene 
B)  4,4-dimethyl-2-pentene 
C)  4,4-dimethyl-1-pentene 
D)  isoheptene 
A)  2,2-dimethyl-4-pentene 
B)  4,4-dimethyl-2-pentene 
C)  4,4-dimethyl-1-pentene 
D)  isoheptene

Question 12

Which of the following statements is true of PVC?

Accepted Answer

A)  It is used as a transition metal catalyst. 
B)  It is formed by the polymerization of ethylene. 
C)  It is used in construction tubing. 
D)  It is a monomeric unit in polystyrene. 
A)  It is used as a transition metal catalyst. 
B)  It is formed by the polymerization of ethylene. 
C)  It is used in construction tubing. 
D)  It is a monomeric unit in polystyrene.

Question 13

Which type of alcohol is formed by the acid-catalyzed hydration of 1-butene?

Accepted Answer

A)  primary 
B)  secondary 
C)  tertiary 
D)  quaternary 
A)  primary 
B)  secondary 
C)  tertiary 
D)  quaternary

Question 14

Including cis-trans isomers, how many different stereoisomers are possible for an alkene that has the molecular formula C5H10?

Accepted Answer

A)  4 
B)  5 
C)  6 
D)  7 
A)  4 
B)  5 
C)  6 
D)  7

Question 15

How many stereoisomers are possible for 1,4-heptadiene?

Accepted Answer

A)  2 
B)  4 
C)  7 
D)  8 
A)  2 
B)  4 
C)  7 
D)  8

Question 16

Which of the following compounds will not produce methylcyclopentane after catalytic hydrogenation?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 17

Which of the following is not a correct IUPAC name for an alkene?

Accepted Answer

A)  2-methyl-1-butene 
B)  2-methyl-2-butene 
C)  3-methyl-1-butene 
D)  None, these are all correct IUPAC names. 
A)  2-methyl-1-butene 
B)  2-methyl-2-butene 
C)  3-methyl-1-butene 
D)  None, these are all correct IUPAC names.

Question 18

In which of the following types of reactions is sulfuric acid used as a catalyst?

Accepted Answer

A)  halogenation 
B)  hydrohalogenation 
C)  hydrogenation 
D)  hydration 
A)  halogenation 
B)  hydrohalogenation 
C)  hydrogenation 
D)  hydration

Question 19

What are the products of a reaction between benzene and nitric acid in the presence of sulfuric acid?

Accepted Answer

A)  nitrobenzene and aniline 
B)  nitrobenzene and NO 
C)  nitrobenzene and NO2 
D)  nitrobenzene and water 
A)  nitrobenzene and aniline 
B)  nitrobenzene and NO 
C)  nitrobenzene and NO2 
D)  nitrobenzene and water

Question 20

What is the IUPAC name of the following molecule?

Accepted Answer

A)  2,2-diethylcyclopentene 
B)  1,1-dimethylcyclopentene 
C)  1,2-dimethylcyclopentene 
D)  1,3-dimethylcyclopentene 
A)  2,2-diethylcyclopentene 
B)  1,1-dimethylcyclopentene 
C)  1,2-dimethylcyclopentene 
D)  1,3-dimethylcyclopentene

Exam 12: Alkenes, Alkynes, and Aromatic Compounds

What is the configuration of each of the given alkenes?

In which of the following reactions is alcohol formed as a product?

Which of the following core groups is present in all members of the vitamin K family?

Cis-trans isomers do not exist for which of the following compounds, all of which have the molecular formula C3H4Br2?

Consider the alkyne counterpart of the following compound. Which of the following would characterize this alkyne?

Which of the following strategies is used while naming a cycloalkene?

Which of the following structural features is never associated with cis-trans isomerism?

A student wanted to use the branched groups, isobutyl, sec-butyl, and tert-butyl when naming alkenes but was told not to. What is the correct IUPAC name for the compound the student called sec-butylethene?

Which of the following is another name for hydrogenation?

Which of the following reactions involves the addition of different groups to both the ends of a double bond?

What is the correct IUPAC name for the following compound?

Which of the following statements is true of PVC?

Which type of alcohol is formed by the acid-catalyzed hydration of 1-butene?

Including cis-trans isomers, how many different stereoisomers are possible for an alkene that has the molecular formula C5H10?

How many stereoisomers are possible for 1,4-heptadiene?

Which of the following compounds will not produce methylcyclopentane after catalytic hydrogenation?

Which of the following is not a correct IUPAC name for an alkene?

In which of the following types of reactions is sulfuric acid used as a catalyst?

What are the products of a reaction between benzene and nitric acid in the presence of sulfuric acid?

What is the IUPAC name of the following molecule?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

Filters

Cis-trans isomers do not exist for which of the following compounds, all of which have the molecular formula C₃H₄Br₂?

Including cis-trans isomers, how many different stereoisomers are possible for an alkene that has the molecular formula C₅H₁₀?