Molecular Orbital Theory Let's construct an MO diagram for KrBr*, the krypton bromide cation. Let's focus only on the n=4 valence shell in for both species. a) Which of the two atoms, Kr or Br, has a 4p electrons that are lower in energy? Justify your answer in terms of periodic trends. Also provide experimental evidence for your answer in terms of ionization energies (available online). b) Based on part (a), draw an MO diagram for KrBr*, reflecting the appropriate relative energies of the Kr/Br valence electrons. Connect the orbitals that mix/split with dashed lines. c) Populate the MO diagram with the appropriate number of valence electrons. What is the expected bond order?

Molecular Orbital Theory Let's construct an MO diagram for KrBr, the krypton bromide cation. Let's focus only on the n=4 valence shell in for both species. a) Which of the two atoms, Kr or Br, has a 4p electrons that are lower in energy? Justify your answer in terms of periodic trends. Also provide experimental evidence for your answer in terms of ionization energies (available online). b) Based on part (a), draw an MO diagram for KrBr, reflecting the appropriate relative energies of the Kr/Br valence electrons. Connect the orbitals that mix/split with dashed lines. c) Populate the MO diagram with the appropriate number of valence electrons. What is the expected bond order?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

4. Molecular Orbital Theory
Let's construct an MO diagram for KrBr*, the krypton bromide cation. Let's focus
only on the n=4 valence shell in for both species.
a) Which of the two atoms, Kr or Br, has a 4p electrons that are lower in energy?
Justify your answer in terms of periodic trends. Also provide experimental
evidence for your answer in terms of ionization energies (available online).
b) Based on part (a), draw an MO diagram for KrBr*, reflecting the appropriate
relative energies of the Kr/Br valence electrons. Connect the orbitals that
mix/split with dashed lines.
c) Populate the MO diagram with the appropriate number of valence electrons.
What is the expected bond order?

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