Which of the following statements about the n-electron system of a linear conjugated organic molecule consisting of 10 carbon atoms is false? Select one: O A. The conjugated molecular orbitals are made up of overlapping 2pz orbitals on each of the C atoms. O B. The longest wavelength absorption corresponds to an electronic transition from the LUMO to the HOMO. OC. The absorption spectrum of the molecule occurs at shorter wavelength than a conjugated molecule with 14 C atoms. OD When the n orbitals are treated with a particle-in-a-box model, the quantum number of the HOMO is n 5. O E When the n orbitals are treated with a particle-in-a-box model, the quantum number of the LUMO is n 6.

Which of the following statements about the n-electron system of a linear conjugated organic molecule consisting of 10 carbon atoms is false? Select one: O A. The conjugated molecular orbitals are made up of overlapping 2pz orbitals on each of the C atoms. O B. The longest wavelength absorption corresponds to an electronic transition from the LUMO to the HOMO. OC. The absorption spectrum of the molecule occurs at shorter wavelength than a conjugated molecule with 14 C atoms. OD When the n orbitals are treated with a particle-in-a-box model, the quantum number of the HOMO is n 5. O E When the n orbitals are treated with a particle-in-a-box model, the quantum number of the LUMO is n 6.

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 61AP

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