Exam 8: Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

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Which of the following is a cumulated diene?

(Multiple Choice)

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Question 141

Which of the following conjugated dienes would not react with a dieneophile in a Diels-Alder reaction?

(Multiple Choice)

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Question 142

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.

(Short Answer)

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Question 143

Provide a diagram which depicts the relative energies of the π molecular orbitals of benzene.Show which molecular orbitals are filled in benzene's ground state.

(Essay)

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Question 144

One of the following compounds is aromatic and the other is antiaromatic.Which is which?

(Short Answer)

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Question 145

Which of the following statement is incorrect about drawing resonance contributors?

(Multiple Choice)

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Question 146

Predict the product of the following reactions.

(Essay)

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Question 147

Draw the important resonance structure of

(Essay)

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Question 148

Which of the following terms best describes a Diels-Alder reaction?

(Multiple Choice)

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Question 149

Which of the following is not a resonance structure of the species shown?

(Multiple Choice)

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Question 150

Draw the important resonance structures of

(Essay)

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Question 151

Which of the following is/are the main product(s)of the following reaction? CH₂ CH-CH CH₂ ?

(Multiple Choice)

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Question 152

Which species is represented by the following distribution of p electrons in the molecular energy diagram?

(Multiple Choice)

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Question 153

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

(Essay)

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Question 154

Stabilization of a charged species usually happens when this species can be more accurately depicted as a hybrid of several resonance contributing forms.Why is this the case?

(Essay)

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Question 155

Which of the following ions is most acidic?

(Multiple Choice)

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Question 156

Which of the following is an allylic cation?

(Multiple Choice)

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Question 157

Predict the product of the following reactions.

(Essay)

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Question 158

Which of the following is aromatic?

(Multiple Choice)

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Question 159

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

(Essay)

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Question 160

Showing 141 - 160 of 185

Exam 8: Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Which of the following is a cumulated diene?

Which of the following conjugated dienes would not react with a dieneophile in a Diels-Alder reaction?

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 a diagram which depicts the relative energies of the π molecular orbitals of benzene.Show which molecular orbitals are filled in benzene's ground state.

One of the following compounds is aromatic and the other is antiaromatic.Which is which?

Which of the following statement is incorrect about drawing resonance contributors?

Predict the product of the following reactions.

Draw the important resonance structure of

Which of the following terms best describes a Diels-Alder reaction?

Which of the following is not a resonance structure of the species shown?

Draw the important resonance structures of

Which of the following is/are the main product(s)of the following reaction? CH2 CH-CH CH2 ?

Which species is represented by the following distribution of p electrons in the molecular energy diagram?

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

Stabilization of a charged species usually happens when this species can be more accurately depicted as a hybrid of several resonance contributing forms.Why is this the case?

Which of the following ions is most acidic?

Which of the following is an allylic cation?

Predict the product of the following reactions.

Which of the following is aromatic?

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

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

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

More About Amines - Reactions of Heterocylic Compounds

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

Which of the following is/are the main product(s)of the following reaction? CH₂ CH-CH CH₂ ?

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