Rec8_f04 - Recitation Activity 8(Chem 121 Chapter 9 1 VESPR...

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Recitation Activity 8 (Chem 121) Chapter 9 1. VESPR model For each compound below draw the Lewis Structure and fill in the blanks #Bonded Pairs #Lone Pairs e- domain Shape Molecular Shape Polar/nonpolar? H 2 S SeO 3 2- IF 4 + SF 6 2. Valence Bond model and Hybridization For each compound below: a. Draw the Lewis Structure (including resonance forms if appropriate) b. Determine the number and label the sigma and pi bonds . c. For each atom with more than one neighbor Determine the hybridization Give the approximate bond angles Determine the hybridization at each central atom CO 3 2-
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Acrylonitrile: H | H 2 C = C – C N (1) (2) (3) 3. Molecular Orbitals and Bond Order Use the MO given to describe the bonding in O 2 + , O 2 , and O 2 - . Which of the three should be stable? What is the bond order of each? Which contain unpaired electrons? 4. There are three possible structures (called “isomers”) for dichloroethylene, C 2 H 2 Cl 2 , two of which are polar and one which is not. a)
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This note was uploaded on 07/17/2008 for the course CHEM 121 taught by Professor Wyzlouzil during the Fall '07 term at Ohio State.

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Rec8_f04 - Recitation Activity 8(Chem 121 Chapter 9 1 VESPR...

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