02042009 - CH 310M/318M MWF 9:00 Lecture 7 W 2/4/2009...

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CH 310M/318M – MWF 9:00 – Lecture 7 – W 2/4/2009 Graded Homework : HW#02 deadline = 3:00 p.m. on Thu 2/5 HW#03 deadline = 3:00 p.m. on Mon 2/9 If you have an excusable conflict for ANY of the three midterm exams, the deadline to sign up to take a conflict exam is 5:00 p.m. on Friday, February 6 . Last Time : Resonance (continued…) Valence bond theory and hybridization Reading Assignment : Section 2.3 Textbook Problems : 1.8-1.11, 1.41-1.48 Today : Valence bond theory and hybrid orbitals (continued…) Hybridization in resonance hybrids A few comments about molecular orbital theory You may find it useful to bring the “Organic Nomenclature” handout with you to lecture on Friday…
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The valence shell s orbital and only 2 of the valence shell p orbitals are “mixed” (complicated math!) to yield new sp 2 hybrid orbitals, which have a trigonal planar arrangement around the central atom! An unhybridized p orbital is left over!
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02042009 - CH 310M/318M MWF 9:00 Lecture 7 W 2/4/2009...

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