Lecture Notes for Valence Bond Theory (Hybridization) |
VALENCE BOND THEORY |  |
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sp3 HYBRIDIZATION
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BONDING IN METHANE |  |
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sp2 HYBRIDIZATION
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BONDING IN ETHANE |  |
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sp HYBRIDIZATION
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BONDING IN ACETYLENE |  |
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# Electron
Groups | Electronic Geometry | Hybridization at
Central Atom (A) | Hybridized Orbital Orientation | Examples | Molecular Geometry |
| 2 |  | sp
(180o) |  | BeCl2
HgBr2
CO2
C2H2 | linear
linear
linear
linear |
| 3 |  | sp2
(120o) |  | BF3
BCl3
SO2
C2H4 | trig. planar
trig. planar
angular
trig.planar at each C |
| 4 |  | sp3
(109.5o) |  | CH4
CCl4
NH3
H2O | tetrahedral
tetrahedral
pyramidal
angular |
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