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Answered: Consider the MO diagrams for these…

Consider the MO diagrams for these diatomic species. Rank the following diatomic species in order of bond dissociation energy (from smallest to largest).

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

Chapter6: Quantum Mechanics And Molecular Structure

Section: Chapter Questions

Problem 26P: Following the pattern of Figure 6.21, work out the correlation diagram for the BeN molecule, showing...

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Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.

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Question 2 of 15
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Consider the MO diagrams for these diatomic species. Rank the following
diatomic species in order of bond dissociation energy (from smallest to largest).
Op
*
_Tp
Tp
А) ВО< ВО < ВО-
Op
В) ВО < ВО < ВО°
С) ВО <ВО < ВО°
Os
D) BO < BО'< ВО
Os
+

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The Be2 molecule has been detected experimentally. It has a bond length of 2.45 Å and a bond dissociation energy of 9.46kJmol1 . Write the ground-state electron configuration of Be2 and predict its bond order using the theory developed in the text. Compare the experimental bonding data on Be2 with those recorded for B2,C2,N2, and O2 in Table 6.3. Is the prediction that stems from the simple theory significantly incorrect?
Following the pattern of Figure 6.21, work out the correlation diagram for the CN molecule, showing the relative energy levels of the atoms and the bonding and anti-bonding orbitals of the molecule. Indicate the occupation of the MOs with arrows. State the order of the bond and comment on the magnetic properties of CN.
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