Trigonal planar o h c o h o h o bent a bent b linear

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Unformatted text preview: lanar O H C O H O H O bent A bent B linear li C Is I methane tetrahedral (A) or planar (B)? th tt hd l l How do we predict the best molecular shapes? A B 48 8 9/5/2008 How do we know the best molecular shapes? Valence Shell Electron Pair Repulsion theory VSEPR: Electron pairs assume a geometry that minimizes their repulsion. How do we know the best molecular shapes? Valence Shell Electron Pair Repulsion theory VSEPR: Electron pairs assume a geometry that minimizes their repulsion. I methane t t h d l (A) or planar (B)? Is th tetrahedral l Is the geometry about the oxygen atom in methanol angular/bent(A) or linear (B)? th l l /b t(A) li H H C H AH H H B H C H H 49 H O C A H H O C B H H H H 50 How do we know the best molecular shapes? Valence Shell Electron Pair Repulsion theory VSEPR: Electron pairs assume a geometry that minimizes their repulsion. Which of the following molecules are trigonal planar? Cl B Cl Cl Cl O Cl Cl O S Cl 34567 B C NOF Si P S Cl Br I A. i B. ii C. C iii D. i + ii E. i + iii Is the geometry about the oxygen atom in methyl amine pyramidal(A) or planar (B)? th l i id l(A) l i. ii. iii. H H H N C A H H H N C B H H H H 51 trigonal pyramidal F. ii + iii G. i + ii + iii 52 Which of the following ions are trigonal planar? H O H H H H C H H H C H 34567 B C NOF Si P S Cl Br How many of the 14 carbon atoms in the compound below have a trigonal pyramidal geometry? a. 0 b. 1 O A. i B. ii C. iii D. i + ii I i. ii. iii. c. 2 d. d3 e. 4 f. 5 g. 6 h. 7 trigonal pyramidal trigonal pyramidal E. i + iii F. ii + iii G. i + ii + iii 53 9 9/5/2008 How many of the 14 carbon atoms in the compound below have a trigonal planar geometry? 2. O How many of the 14 carbon atoms in the compound below have a tetrahedral geometry? a. 0 2. 1. O 3. 4. a. 0 b. 1 c. 2 d. d3 e. 4 f. 5 g. 6 h. 7 7. 6. 5. 3. 4. 1. b. 1 c. 2 d. d3 e. 4 f. 5 g. 6 h. 7 5. 10...
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