MOLECULAR ORBITAL THEORY 1. Explain the main difference between Molecular Orbital and Valence Bond Theory.

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
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MOLECULAR ORBITAL THEORY
1. Explain the main difference between Molecular Orbital and Valence Bond Theory.
2. List the general rules to follow when building a molecular orbital diagram for any given
molecule.
3. Label each of the following atomic or hybrid orbitals and draw in an energy diagram the result
from the linear combination of each pair of orbitals given below ? (In the MO diagram label
each molecular orbital and give its shape)
a)
b)
d)
e)
4. Draw the molecular orbital energy diagram of the following molecules: H2, B2, N2, O2, Cl2 and
F2 molecule. Label all the orbitals specifically.
a) Give the molecular electron configuration for the molecule.
b) Determine if the molecule is paramagnetic or diamagnetic
c) Calculate the bond order for the molecule
5. Draw the molecular orbital diagram for the molecules of ethene (CH₂=CH₂) and ethyne.
(CH=CH)
6. Using curved arrows draw at least one resonance structure for each of the following species.
, add
Note that all the charges are as shown but the lone pairs of electrons might be omitted s
the lone pairs to help you track the movement of electrons.
l lan
OH
NH₂
H₂N7
Br
Transcribed Image Text:MOLECULAR ORBITAL THEORY 1. Explain the main difference between Molecular Orbital and Valence Bond Theory. 2. List the general rules to follow when building a molecular orbital diagram for any given molecule. 3. Label each of the following atomic or hybrid orbitals and draw in an energy diagram the result from the linear combination of each pair of orbitals given below ? (In the MO diagram label each molecular orbital and give its shape) a) b) d) e) 4. Draw the molecular orbital energy diagram of the following molecules: H2, B2, N2, O2, Cl2 and F2 molecule. Label all the orbitals specifically. a) Give the molecular electron configuration for the molecule. b) Determine if the molecule is paramagnetic or diamagnetic c) Calculate the bond order for the molecule 5. Draw the molecular orbital diagram for the molecules of ethene (CH₂=CH₂) and ethyne. (CH=CH) 6. Using curved arrows draw at least one resonance structure for each of the following species. , add Note that all the charges are as shown but the lone pairs of electrons might be omitted s the lone pairs to help you track the movement of electrons. l lan OH NH₂ H₂N7 Br
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