questions1_fa10_ans

questions1_fa10_ans - semester but you might hint that it...

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Chemistry 030-205-02 September 2, 2010 Questions 1 1. Consider the following molecule. What is the formal charge on the carbon with the lone pair? (use the resonance structure as drawn; the lone pairs on oxygen atoms are not shown). OCH 3 O O H What is the hybridization on the 5 carbon atoms, from left to right? sp 3 sp 2 sp 2 sp 2 sp 3 Draw additional resonance structures. Are there any contributors that are more important than others? OCH 3 O O H OCH 3 O O H OCH 3 O O H you could also have resonance with the oxygen on the ester Discuss this in terms of electronegativity; we will talk about solvation next
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Unformatted text preview: semester but you might hint that it is more complicated than you would expect. 2. Draw a Lewis structure of ozone (O 3 ). O O O Assign formal charges to the oxygens. See above Can you draw a second Lewis structure with the charges reversed? O O O What is the geometry of ozone? Bent ( sp 2 ) 3. What is the hybridization of the underlined atoms shown below (multiple bonds are not drawn) Cl 2 C CCl 2 sp 2 CH 3 O CH 3 sp 3 CH 3 CN sp (both) CH 3 C OCH 3 sp 2 HC CH sp and the carbon in cyclopropane sp 3...
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questions1_fa10_ans - semester but you might hint that it...

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