Which compound or ion has five F1F1F1S1F1F1F10 molecular orbitals?

A) compound A B) compound B C) compound C D) compound D A) compound A B) compound B C) compound C D) compound D

Which compound should have the greatest F1F1F1S1F1F1F10max in its UV spectrum?

A) compound a B) compound b C) compound c D) compound d E) compound e A) compound a B) compound b C) compound c D) compound d E) compound e

Exam 15: Dienes and Aromaticity

Which compound or ion has five  molecular orbitals?

(Multiple Choice)

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Question 21

Cyclooctatetraene (COT) has eight pi electrons but is a stable compound. Explain why.

(Essay)

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Question 22

Which compound should have the greatest _max in its UV spectrum?

(Multiple Choice)

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Question 23

1,3-Butadiene, the simplest conjugated diene, has a UV absorption at 217 nm. (One nanometer = 10^-9 meter.) a. Calculate the energy of UV radiation with this wavelength (in kJ mol^-1). Show your work. b. Shown is an MO electron-occupancy diagram for the  molecular orbitals of 1,3-butadiene. Draw an arrow on this diagram that corresponds to the energy of this UV radiation.

(Essay)

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Question 24

Which compound has the smaller (less positive or more negative) heat of formation?

(Multiple Choice)

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Question 25

Showing 21 - 25 of 25

Which compound or ion has five  molecular orbitals?

Cyclooctatetraene (COT) has eight pi electrons but is a stable compound. Explain why.

Which compound should have the greatest _max in its UV spectrum?

Which compound has the smaller (less positive or more negative) heat of formation?

Chemical Bonding and Chemical Structure

Alkanes and Organic Nomenclature

The Curved-Arrow Notation, Resonance, Acids and Bases, and Chemical Equilibrium

Introduction to Alkenes and Alkynes

Addition Reactions of Alkenes and Alkynes

Principles of Stereochemistry

Cyclic Compounds and Reaction Stereochemistry

Nomenclature and Noncovalent Intermolecular Interactions

The Chemistry of Alkyl Halides

Free-Radical Reactions, Main-Group Organometallic Compounds, and Carbenes

The Chemistry of Alcohols and Thiols

The Chemistry of Ethers, Epoxides, Glycols, and Sulfides

Introduction to Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

The Chemistry of Benzene and Its Derivatives

Allylic and Benzylic Reactivity

The Chemistry of Aryl Halides, Vinylic Halides, and Phenols

The Chemistry of Aldehydes and Ketones

The Chemistry of Carboxylic Acids

The Chemistry of Carboxylic Acid Derivatives

The Chemistry of Enolate Ions, Enols, and Α,β-Unsaturated Carbonyl Compounds

The Chemistry of Amines

Carbohydrates

The Chemistry of Thioesters, Phosphate Esters, and Phosphate Anhydrides

The Chemistry of the Aromatic Heterocycles and Nucleic Acids

Amino Acids, Peptides, and Proteins

Pericyclic Reactions

Filters

Exam 15: Dienes and Aromaticity

Which compound or ion has five  molecular orbitals?

Cyclooctatetraene (COT) has eight pi electrons but is a stable compound. Explain why.

Which compound should have the greatest max in its UV spectrum?

Which compound has the smaller (less positive or more negative) heat of formation?

Chemical Bonding and Chemical Structure

Alkanes and Organic Nomenclature

The Curved-Arrow Notation, Resonance, Acids and Bases, and Chemical Equilibrium

Introduction to Alkenes and Alkynes

Addition Reactions of Alkenes and Alkynes

Principles of Stereochemistry

Cyclic Compounds and Reaction Stereochemistry

Nomenclature and Noncovalent Intermolecular Interactions

The Chemistry of Alkyl Halides

Free-Radical Reactions, Main-Group Organometallic Compounds, and Carbenes

The Chemistry of Alcohols and Thiols

The Chemistry of Ethers, Epoxides, Glycols, and Sulfides

Introduction to Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

The Chemistry of Benzene and Its Derivatives

Allylic and Benzylic Reactivity

The Chemistry of Aryl Halides, Vinylic Halides, and Phenols

The Chemistry of Aldehydes and Ketones

The Chemistry of Carboxylic Acids

The Chemistry of Carboxylic Acid Derivatives

The Chemistry of Enolate Ions, Enols, and Α,β-Unsaturated Carbonyl Compounds

The Chemistry of Amines

Carbohydrates

The Chemistry of Thioesters, Phosphate Esters, and Phosphate Anhydrides

The Chemistry of the Aromatic Heterocycles and Nucleic Acids

Amino Acids, Peptides, and Proteins

Pericyclic Reactions

Filters

Which compound should have the greatest _max in its UV spectrum?