Question 1

Is the following molecule aromatic? Explain.

Accepted Answer

No, it is not aromat

Question 2

Which of the structures below would be aromatic?

Accepted Answer

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

Question 3

Give the major organic product(s)for the reaction.

Accepted Answer

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

Question 4

Provide the major organic product of the following reaction.

Accepted Answer

The answer of Provide the major organic product of the...

Question 5

In the molecular orbital representation of benzene, how many π molecular orbitals are present?

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 6 
E) 8 
A) 1 
B) 2 
C) 4 
D) 6 
E) 8

Question 6

Which of the following is the strongest acid?

Accepted Answer

The answer of Which of the following is the strongest...

Question 7

List the criteria which compounds must meet in order to be considered aromatic.

Accepted Answer

1)The structure must be cyclic.
2)Each a

Question 8

How many allylic hydrogen atoms are present in the following molecule?

Accepted Answer

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

Question 9

What diene and what dieneophile could be used to prepare the following?

Accepted Answer

The answer of What diene and what dieneophile could be...

Question 10

Draw the important resonance contributing forms for the structure shown below.

Accepted Answer

The answer of Draw the important resonance contributing forms for...

Question 11

What diene and dienophile would react to give the product below?

Accepted Answer

The answer of What diene and dienophile would react to...

Question 12

Among a series of isomeric trienes, the more negative the ΔH° of the hydrogenation reaction of a given triene, the ________ stable it is relative to the others in the isomeric series.

Accepted Answer

The answer of Among a series of isomeric trienes, the...

Question 13

Provide the structure of the major product which results from 1,2-addition of HBr to the diene shown below.

Accepted Answer

The answer of Provide the structure of the major product...

Question 14

What is the product of the following Diels-Alder reaction?

Accepted Answer

The answer of What is the product of the following...

Question 15

Draw the important resonance structures of:

Accepted Answer

The answer of Draw the important resonance structures of: ...

Question 16

In the acetate ion (CH3CO2-), which of the oxygen atoms bears a greater negative charge? Explain your answer.

Accepted Answer

The acetate ion is a hybrid of the two r

Question 17

Is cyclooctatetraene a planar molecule? Explain.

Accepted Answer

No. In addition to increasing

Question 18

Which of the following is an isolated diene?

Accepted Answer

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

Question 19

When 1, 3-cyclopentadiene reacts with the cis-isomer of NCCH=CHCN, the major product is ________.

Accepted Answer

A) optically active 
B) a meso compound 
C) a racemic mixture 
D) a spirocyclic compound 
E) a fused bicyclic compound 
A) optically active 
B) a meso compound 
C) a racemic mixture 
D) a spirocyclic compound 
E) a fused bicyclic compound

Question 20

Which of the following is antiaromatic?

Accepted Answer

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

Exam 8: Electron Delocalization, Resonance, and Aromaticity More About Molecular Orbital Theory

Is the following molecule aromatic? Explain.

Which of the structures below would be aromatic?

Give the major organic product(s)for the reaction.

Provide the major organic product of the following reaction.

In the molecular orbital representation of benzene, how many π molecular orbitals are present?

Which of the following is the strongest acid?

List the criteria which compounds must meet in order to be considered aromatic.

How many allylic hydrogen atoms are present in the following molecule?

What diene and what dieneophile could be used to prepare the following?

Draw the important resonance contributing forms for the structure shown below.

What diene and dienophile would react to give the product below?

Among a series of isomeric trienes, the more negative the ΔH° of the hydrogenation reaction of a given triene, the ________ stable it is relative to the others in the isomeric series.

Provide the structure of the major product which results from 1,2-addition of HBr to the diene shown below.

What is the product of the following Diels-Alder reaction?

Draw the important resonance structures of:

In the acetate ion (CH3CO2-), which of the oxygen atoms bears a greater negative charge? Explain your answer.

Is cyclooctatetraene a planar molecule? Explain.

Which of the following is an isolated diene?

When 1, 3-cyclopentadiene reacts with the cis-isomer of NCCH=CHCN, the major product is ________.

Which of the following is antiaromatic?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds

Isomers: the Arrangement of Atoms in Space

Alkenes Thermodynamics and Kinetics

Reactions of Alkenes

Reactions of Alkynes Introduction to Multistep Synthesis

Substitution Reactions of Alkyl Halides

Elimination Reactions of Alkyl Halides Competition Between Substitution and Elimination

Reactions of Alcohols, Ethers, Epoxides, and Sulfur-Containing Compounds

Organometallic Compounds

Reactions of Alkanes, Radicals

Mass Spectrometry, Infrared Spectroscopy, and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Alpha Carbon of Carbonyl Compounds

Reactions of Benzene and Substituted Benzenes

More About Amines Heterocylic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Catalysis

The Organic Mechanisms of the Coenzymes

The Chemistry of Metabolism

Nucleosides, Nucleotides, and Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

In the acetate ion (CH₃CO₂^-), which of the oxygen atoms bears a greater negative charge? Explain your answer.