Worksheet 8/9a:
Hybridization and MO
Supplemental Instruction
Iowa State University
Leader:
Course:
Instructor:
Date:
Sara
Chem177
Bonaccorsi
3/26/14
1. True or false
a. Each MO can have 3 electrons in it false they still have 2 electrons
b. Antibonding molecular orbitals cannot have electrons in it false they can
c. Pauli’s exclusion principals do apply to MO true, electrons fill before doubling
d. bonding orbitals have nodes, while antibonding orbitals do not false backword
e. 1sσ is constructive while 1sσ* is a destructive orbital true antibonding has *
2. Draw an energy diagram for B2
\
3. Draw an energy diagram for NO
4. If bond order = 0 then: no bond is form
If bond order = 1 then: a single bond is formed
If bond order is > 0 then: a bond is formed
5. Between CN+ CN and CN-, which has the strongest CN bond?
6. Fill out the tables
Bonding s orbitals
Bonding p orbitals
sigma
Antibonding s orbitals
Antibonding p
orbitals sigma
Bonding p orbitals
pi
Antibonding p
orbitals pi
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Worksheet 8-9a answers - Iowa State University