Question 1

Calculate the degree of unsaturation for the following molecule:

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
A) 2 
B) 3 
C) 4 
D) 5

Question 2

What is the major product of the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 3

What type of reactive intermediate is formed in the reaction of an alkene with HI to give an iodoalkane?

Accepted Answer

A) Carbanion 
B) Carbocation 
C) Cyclic bromonium ion 
D) Radical 
A) Carbanion 
B) Carbocation 
C) Cyclic bromonium ion 
D) Radical

Question 4

Which of the following alkenes is an E alkene?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 5

Predict the product(s)of the following reaction.

Accepted Answer

A) Only I and II 
B) Only I and III 
C) Only II and III 
D) Only III and IV 
A) Only I and II 
B) Only I and III 
C) Only II and III 
D) Only III and IV

Question 6

Label each C-C double bond in Kavain,a naturally occurring relaxant,as E or Z.

Accepted Answer

A) I = Z and II = Z 
B) I = Z and II = E 
C) I = E and II = E 
D) I = E and II = Z 
A) I = Z and II = Z 
B) I = Z and II = E 
C) I = E and II = E 
D) I = E and II = Z

Question 7

Which of the following statements about alkenes is true?

Accepted Answer

A) Alkenes react with nucleophiles and bases. 
B) Alkenes contain double bonds from two sp-hybridized carbon atoms. 
C) In the reactions of alkenes,the   bond is not always broken. 
D) Alkenes react with electrophiles. 
A) Alkenes react with nucleophiles and bases. 
B) Alkenes contain double bonds from two sp-hybridized carbon atoms. 
C) In the reactions of alkenes,the   bond is not always broken. 
D) Alkenes react with electrophiles.

Question 8

Rank the carbocation in order of increasing stability,putting the least stable first.

Accepted Answer

A) III < I < II 
B) III < II < I 
C) I < II < III 
D) I < III < II 
A) III < I < II 
B) III < II < I 
C) I < II < III 
D) I < III < II

Question 9

What is the starting material in the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 10

Which of the statements about the properties of the carbon-carbon double bond is not true?

Accepted Answer

A) There is restricted rotation around the carbon-carbon double bond. 
B) Whenever the two groups on each end of a carbon-carbon double bond are the same,two diastereomers are possible. 
C) Trans alkenes are generally more stable than cis alkenes. 
D) The stability of the carbon-carbon double bond increases as the number of substituent groups increases. 
A) There is restricted rotation around the carbon-carbon double bond. 
B) Whenever the two groups on each end of a carbon-carbon double bond are the same,two diastereomers are possible. 
C) Trans alkenes are generally more stable than cis alkenes. 
D) The stability of the carbon-carbon double bond increases as the number of substituent groups increases.

Question 11

Which of the following alkenes will undergo a carbocation rearrangement when reacting with H2O in the presence of a small amount of H2SO4?

Accepted Answer

A) Only I and II 
B) Only I and III 
C) Only II and III 
D) I,II,and III 
A) Only I and II 
B) Only I and III 
C) Only II and III 
D) I,II,and III

Question 12

Calculate the degree of unsaturation for a molecule with molecular formula C6H11Cl.

Accepted Answer

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

Question 13

What is the IUPAC name for the following compound?

Accepted Answer

A) 5-Methyl-5-hexen-2-ol 
B) 6-Methyl-6-hepten-2-ol 
C) 6-Hydroxy-2-methylheptene 
D) 6-Hydroxy-2-methyl-1-heptene 
A) 5-Methyl-5-hexen-2-ol 
B) 6-Methyl-6-hepten-2-ol 
C) 6-Hydroxy-2-methylheptene 
D) 6-Hydroxy-2-methyl-1-heptene

Question 14

What is the IUPAC name for the following compound?

Accepted Answer

A) 1,2-Dimethylcyclohexene 
B) 2,3-Dimethylcyclohexene 
C) 1,6-Dimethylcyclohexene 
D) 1,2-Dimethyl-3-cyclohexene 
A) 1,2-Dimethylcyclohexene 
B) 2,3-Dimethylcyclohexene 
C) 1,6-Dimethylcyclohexene 
D) 1,2-Dimethyl-3-cyclohexene

Exam 10: Alkenes and Addition Reactions

Calculate the degree of unsaturation for the following molecule:

What is the major product of the following reaction?

What type of reactive intermediate is formed in the reaction of an alkene with HI to give an iodoalkane?

Which of the following alkenes is an E alkene?

Predict the product(s)of the following reaction.

Label each C-C double bond in Kavain,a naturally occurring relaxant,as E or Z.

Which of the following statements about alkenes is true?

Rank the carbocation in order of increasing stability,putting the least stable first.

What is the starting material in the following reaction?

Which of the statements about the properties of the carbon-carbon double bond is not true?

Which of the following alkenes will undergo a carbocation rearrangement when reacting with H2O in the presence of a small amount of H2SO4?

Calculate the degree of unsaturation for a molecule with molecular formula C6H11Cl.

What is the IUPAC name for the following compound?

What is the IUPAC name for the following compound?

Structure and Bonding

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols,ethers,and Related Compounds

Alkynes and Synthesis

Oxidation and Reduction

Radical Reactions

Conjugation, resonance, and Dienes

Benzene and Aromatic Compounds

Reactions of Aromatic Compounds

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Aldehydes and Ketones - Nucleophilic Addition

Carboxylic Acids and the Acidity of the O-H Bond

Carboxylic Acids and Their Derivatives - Nucleophilic Acyl Substitution

Substitution Reactions of Carbonyl Compounds at the a Carbon

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond-Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Synthetic Polymers

Lipids

Molecular Ion Peaks and Fragmentation Patterns

Analyzing Molecular Motion and Infrared Spectroscopy

Organic Spectroscopy Concepts

Filters

Which of the following alkenes will undergo a carbocation rearrangement when reacting with H₂O in the presence of a small amount of H₂SO₄?

Calculate the degree of unsaturation for a molecule with molecular formula C₆H₁₁Cl.