ps10 - CHEMISTRY 121 Problem Set 10 1. Valence Bond Theory...

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CHEMISTRY 121 1 Department of Chemistry University of British Columbia Problem Set 10 Valence Bond Theory 1. Give the hybridization of the central atom (atoms in the case of e and f) in each of the following molecules or ions. (a) CF 4 (b) [PCl 6 ] (c) [SiCl 5 ] (d) BBr 3 (e) C 2 F 4 (f) C 2 Cl 2 2. Consider each of the following species to answer parts a – d. SiH 4 , NCCN, SF 6 , SeF 4 , PH 3 (a) Which are polar molecules? (b) Which are linear molecules? (c) Which molecules use sp 3 d 2 hybrid orbitals on the central atom for bonding? (d) Which molecules use sp 3 hybrid orbitals on the central atom for bonding? 3. If z is the internuclear axis between two atoms, list all the possible combinations of atomic orbitals ( s , p x , p y , p z d xy , d xz , d yz , d x 2 -y 2 , d z 2 ) on different atoms that can overlap to produce a σ bond? 4. If z is the internuclear axis between two atoms, list all the possible types of atomic orbitals ( s , p x , p y , p z d xy , d xz , d yz , d x 2 -y 2 , d z 2 ) on different atoms that can overlap to produce a π bond?
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ps10 - CHEMISTRY 121 Problem Set 10 1. Valence Bond Theory...

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