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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The delocalized π system in benzene is formed by a cyclic overlap of 6 ________ orbitals.

(Multiple Choice)

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Question 41

The C-C single bond in the following molecule is formed by the overlap of what type of orbitals?

(Multiple Choice)

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Question 42

Give the major organic product for the reaction.

(Multiple Choice)

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Question 43

What is the major product obtained from the addition of one mole of HCl at high temperature to 1,3-butadiene?

(Short Answer)

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Question 44

Which of the following is aromatic?

(Multiple Choice)

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Question 45

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

(Essay)

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Question 46

Provide the structure of the major organic product in the following reaction.

(Essay)

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Question 47

How would you convert cyclopentadiene to the dialdehyde shown?

(Essay)

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Question 48

Which π MOs are bonding MOs in the ground state of 1,3,5-hexatriene?

(Essay)

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Question 49

Why does the (E,E)-isomer of 2,4-hexadiene react much more rapidly with dienophiles than does the (Z,Z)-isomer?

(Essay)

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Question 50

Provide the structure of the major organic product in the following reaction.

(Essay)

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Question 51

Provide the structure of the major organic product in the following reaction.

(Essay)

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Question 52

What is/are the product(s)of the following reaction?

(Multiple Choice)

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Question 53

Indicate the compound that has the shortest bond length between the two middle carbon atoms.

(Multiple Choice)

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Question 54

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

(Short Answer)

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Question 55

What is the thermodynamic product for the following reaction?

(Multiple Choice)

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Question 56

Which of the following is the weakest acid?

(Multiple Choice)

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Question 57

What is the product from the following reaction?

(Multiple Choice)

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Question 58

Draw the structure of the major product which results when the diene shown is treated with HBr at -80°C.

(Essay)

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Question 59

Draw the LUMO of 1,3,5-hexatriene.

(Essay)

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Question 60

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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

The delocalized π system in benzene is formed by a cyclic overlap of 6 ________ orbitals.

The C-C single bond in the following molecule is formed by the overlap of what type of orbitals?

Give the major organic product for the reaction.

What is the major product obtained from the addition of one mole of HCl at high temperature to 1,3-butadiene?

Which of the following is aromatic?

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

Provide the structure of the major organic product in the following reaction.

How would you convert cyclopentadiene to the dialdehyde shown?

Which π MOs are bonding MOs in the ground state of 1,3,5-hexatriene?

Why does the (E,E)-isomer of 2,4-hexadiene react much more rapidly with dienophiles than does the (Z,Z)-isomer?

Provide the structure of the major organic product in the following reaction.

Provide the structure of the major organic product in the following reaction.

What is/are the product(s)of the following reaction?

Indicate the compound that has the shortest bond length between the two middle carbon atoms.

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

What is the thermodynamic product for the following reaction?

Which of the following is the weakest acid?

What is the product from the following reaction?

Draw the structure of the major product which results when the diene shown is treated with HBr at -80°C.

Draw the LUMO of 1,3,5-hexatriene.

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

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