a) Draw the molecular orbital diagram for HF. Be sure to clearly label orbital symmetries and indicate which orbitals are occupied by electrons. b) Identify and sketch the spatial representation of the HOMO and LUMO for the HF molecule. c) Based on your MO diagram, briefly explain why HF adopts a zigzag structure.

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Chapter1: Chemical Foundations
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Hydrofluoric acid (HF) forms strong bonds with other HF molecules to form a zigzag
chain-like structure in its liquid form, as shown in the schematic below:

a) Draw the molecular orbital diagram for HF. Be sure to clearly label orbital
symmetries and indicate which orbitals are occupied by electrons.
b) Identify and sketch the spatial representation of the HOMO and LUMO for the
HF molecule.
c) Based on your MO diagram, briefly explain why HF adopts a zigzag structure.

116"
95 p
5 pm
155 pm
F-H-
n
Transcribed Image Text:116" 95 p 5 pm 155 pm F-H- n
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