110909a - What is the hybridization on carbon in CO2? sp3...

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What is the hybridization on carbon in CO 2 ? sp3 sp2 s p cann o t be d e te rmin d 15% 3% 37% 45% 1. sp 3 2. sp 2 3. sp 4. cannot be determined
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Molecular Orbital Theory y Method: fix nuclei and core electrons, allowing the valence electrons to orbit around all nuclei. y First Approximation: the only case that can be solved exactly is H 2 + , we assume all other molecules have similar molecular orbitals.
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Molecular Orbitals
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Molecular Orbitals
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Bond Order y The difference between the number of bonding electrons and the number of antibonding electrons divided by 2 y An estimate of the relative strength of bonds
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MO Diagrams 1s A 1s B σ 1s σ * 1s E H 2 +
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MO Diagrams 1s A 1s B σ 1s σ * 1s E H 2
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MO Diagrams 1s A 1s B σ 1s σ * 1s E H 2 -
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MO Diagrams 1s A 1s B σ 1s σ * 1s E He 2
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MO Diagrams Molecule MO Configuration # bonding electrons # anti- bonding electrons Bond Order Bond Distance (Å) Bond energy (kJ/mol) H 2 + ( σ 1s ) 1 10 ½ 1 . 0 6 2 5 5 H 2 ( σ 1s ) 2 20 1 0 . 7 4 4 3 2 H 2 - ( σ 1s ) 2 ( σ * 1s ) 1 21 ½ ? ?
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110909a - What is the hybridization on carbon in CO2? sp3...

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