4. As the energy gap between the HOMO and LUMO orbitals of a molecule decreases, the molecules' electronic absorption spectrum (UV-vis spectrum) will have a larger Amax (lamba max) value. If compound X has a Amax = 388 nm, and compound Y has a max = 442 nm, which compound has more extensive conjugation? Place the name of the compound in the box below.
4. As the energy gap between the HOMO and LUMO orbitals of a molecule decreases, the molecules' electronic absorption spectrum (UV-vis spectrum) will have a larger Amax (lamba max) value. If compound X has a Amax = 388 nm, and compound Y has a max = 442 nm, which compound has more extensive conjugation? Place the name of the compound in the box below.
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter20: Molecular Spectroscopy And Photochemistry
Section: Chapter Questions
Problem 31P
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![4. As the energy gap between the HOMO and LUMO orbitals of a molecule decreases, the molecules'
electronic absorption spectrum (UV-vis spectrum) will have a larger Amax (lamba max) value. If
compound X has a Amax = 388 nm, and compound Y has a max = 442 nm, which compound has more
extensive conjugation? Place the name of the compound in the box below.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F09b49cad-fb7b-4475-82c0-5217c8caa75c%2F72fe85d4-a2ed-4a09-9935-d5b83f988522%2Fvoogp2s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4. As the energy gap between the HOMO and LUMO orbitals of a molecule decreases, the molecules'
electronic absorption spectrum (UV-vis spectrum) will have a larger Amax (lamba max) value. If
compound X has a Amax = 388 nm, and compound Y has a max = 442 nm, which compound has more
extensive conjugation? Place the name of the compound in the box below.
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