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Organic Chemistry 9th Edition

Organic Chemistry (9th Edition)

Book Edition9th Edition
PublisherCengage Learning
Section 30-1: Molecular Orbitals of Conjugated Pi Systems
Section 30-3: Stereochemistry of Thermal Electrocyclic Reactions
Section 30-4: Photochemical Electrocyclic Reactions
Section 30-6: Stereochemistry of Cycloadditions
Section 30-7: Sigmatropic Rearrangements
Section 30-8: Some Examples of Sigmatropic Rearrangements
Section 30-9: A Summary of Rules for Pericyclic Reactions
End of Chapter
Practice Your Scientific Analysis and Reasoning
Chapter 30, Section 30-1, PROBLEM, Exercise 30-1
Page 1015

Look at Figure 30-1, and tell which molecular orbital is the HOMO and which is the LUMO for both ground and excited states of ethylene and 1,3-butadiene.



Answer is attached below 

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Page 1015