Question 1

Indicate whether the following molecule is aromatic,antiaromatic,or nonaromatic.

Accepted Answer

The answer of Indicate whether the following molecule is aromatic,antiaromatic,or...

Question 2

Which of the following aromatic compounds is the most stable?

Accepted Answer

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

Question 3

In the following question choose the best answer.The most basic amine.

Accepted Answer

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

Question 4

Provide the major organic product(s)of the reaction below.

Accepted Answer

The answer of Provide the major organic product(s)of the reaction...

Question 5

Provide an acceptable name for the compound shown below.

Accepted Answer

The answer of Provide an acceptable name for the compound...

Question 6

Give the major product for the following reaction.

Accepted Answer

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

Question 7

Imidazole boils at 257 °C,while the boiling point of N-methylimidazole is 199 °C.Explain the difference in their boiling points.

Accepted Answer

Imidazole exhibits hydrogen bo

Question 8

Fill in the empty boxes.

Accepted Answer

The answer of Fill in the empty boxes.  ...

Question 9

What is the major product of the following reaction?

Accepted Answer

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

Question 10

Which of the following statements correctly describes the behavior of heterocycles in aromatic substitution reactions?

Accepted Answer

A) Pyridine N-oxide is considerably more reactive toward electrophilic aromatic substitution reactions than pyridine because the oxygen atom can donate electrons into the ring by resonance. 
B) Pyridine N-oxide undergoes electrophilic aromatic substitution primarily at C-3. 
C) Pyridine is less reactive than benzene toward nucleophilic aromatic substitution. 
D) Nucleophilic aromatic substitution of pyridine takes place at C-3 because attack at this position leads to the most stable intermediate. 
E) none of the above 
A) Pyridine N-oxide is considerably more reactive toward electrophilic aromatic substitution reactions than pyridine because the oxygen atom can donate electrons into the ring by resonance. 
B) Pyridine N-oxide undergoes electrophilic aromatic substitution primarily at C-3. 
C) Pyridine is less reactive than benzene toward nucleophilic aromatic substitution. 
D) Nucleophilic aromatic substitution of pyridine takes place at C-3 because attack at this position leads to the most stable intermediate. 
E) none of the above

Question 11

Draw 2-methylpyrrolidine.

Accepted Answer

The answer of Draw 2-methylpyrrolidine....

Question 12

What is the major product of the following reaction?

Accepted Answer

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

Question 13

What results when cis-2-butene is subjected to the following reaction sequence? (1)Cl2,H2O,(2)NaOH,(3)H3O+?

Accepted Answer

A) a meso epoxide 
B) a 1:1 mixture of enantiomeric epoxides 
C) a meso diol 
D) a 1:1 mixture of enantiomeric diols 
E) 2-butanol 
A) a meso epoxide 
B) a 1:1 mixture of enantiomeric epoxides 
C) a meso diol 
D) a 1:1 mixture of enantiomeric diols 
E) 2-butanol

Question 14

What is the major product of the following reaction?

Accepted Answer

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

Question 15

Give the major product for the following reaction.

Accepted Answer

The answer of Give the major product for the following...

Question 16

Which heterocyclic ring is present in cytosine DNA base?

Accepted Answer

A) pyrrole 
B) purine 
C) pyrimidine 
D) porphyrin 
E) pyridine 
A) pyrrole 
B) purine 
C) pyrimidine 
D) porphyrin 
E) pyridine

Question 17

Circle the stronger base in the pair below,and briefly explain your choice.

Accepted Answer

Cyclohexylamine is the stronge

Question 18

Provide the major organic product(s)of the reaction below.

Accepted Answer

The answer of Provide the major organic product(s)of the reaction...

Question 19

What is the major alkene produced in the following Cope elimination?

Accepted Answer

A) CH2     CH2 
B) CH3CH   CH2 
C) CH3CH2N   CH2 
D) CH3CH2N   O 
E) CH3CH2CH2N   O 
A) CH2     CH2 
B) CH3CH   CH2 
C) CH3CH2N   CH2 
D) CH3CH2N   O 
E) CH3CH2CH2N   O

Question 20

Which of the following is the structure of 1,4-dioxane?

Accepted Answer

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

Exam 19: More About Amines - Reactions of Heterocylic Compounds

Indicate whether the following molecule is aromatic,antiaromatic,or nonaromatic.

Which of the following aromatic compounds is the most stable?

In the following question choose the best answer.The most basic amine.

Provide the major organic product(s)of the reaction below.

Provide an acceptable name for the compound shown below.

Give the major product for the following reaction.

Imidazole boils at 257 °C,while the boiling point of N-methylimidazole is 199 °C.Explain the difference in their boiling points.

Fill in the empty boxes.

What is the major product of the following reaction?

Which of the following statements correctly describes the behavior of heterocycles in aromatic substitution reactions?

Draw 2-methylpyrrolidine.

What is the major product of the following reaction?

What results when cis-2-butene is subjected to the following reaction sequence? (1)Cl2,H2O,(2)NaOH,(3)H3O+?

What is the major product of the following reaction?

Give the major product for the following reaction.

Which heterocyclic ring is present in cytosine DNA base?

Circle the stronger base in the pair below,and briefly explain your choice.

Provide the major organic product(s)of the reaction below.

What is the major alkene produced in the following Cope elimination?

Which of the following is the structure of 1,4-dioxane?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

The Reactions of Alkynes - Introduction to Multistep Synthesis

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Substitution and Elimination Reactions of Alkyl Halides

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

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 Α-Carbon

Reactions of Benzene and Substituted Benzenes

The Organic Chemistry of Carbohydrates

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

What results when cis-2-butene is subjected to the following reaction sequence? (1)Cl₂,H₂O,(2)NaOH,(3)H₃O⁺?