Worksheet_6 - H C H C C C O Cl H H N Complete the Lewis...

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Dr. Ramesh Arasasingham WORKSHEET 6 1. For each of the following compounds: 1. draw Lewis structure(s) 2. give the shape of the molecule 3. give approximate bond angle(s) 4. predict the types of hybrid orbitals used in bonding by the central atom 5. indicate whether the molecule has a net dipole moment or zero dipole moment. (a) SeH 2 (b) BrF 3 (c) SF 4 2. Acetylacetone has the structure shown below. What are the approximate values of the bond angles indicated by the arrows 1-4 and the hybridization of the carbon atom A and oxygen atom B: Bond angle 1: _______________ Bond angle 2: _______________ Bond angle 3: _______________ Bond angle 4: _______________ Hybridization of carbon atom A: _______________ Hybridization of oxygen atom B: _______________ H 3 C C C C CH 3 H O O H 1 2 3 4 A B
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Dr. Ramesh Arasasingham 3. Shown below is the “skeleton structure” of a molecule. The structure shows how the atoms are connected, but do not show double/triple bonds or lone pairs.
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Unformatted text preview: H C H C C C O Cl H H N Complete the Lewis structure, and fill in the following table by inserting the appropriate numbers. Number of double bonds _________ Number of triple bonds _________ Number of lone pairs _________ Number of bonds _________ C-C-O bond angle _________ C-C-Cl bond angle _________ C-C-N bond angle _________ 4. An article in a journal, Inorganic Chemistry, uses both BF 3 and PF 3 as examples of flat or planar molecules with bond angles of 120. Another article reports the F-P-F bond angle as 98. Which report is consistent with the VSEPR model? Explain. 5. Is structure of OCS like that of CO 2 or SO 2 . Identify which are linear and explain why one is bent. 6. Complete the Lewis structures of the following molecules. Predict the molecular shape, bond angles, and hybrid orbitals used by the central atom(s) for each molecule. COCl 2 N 2 F 2 COS...
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This note was uploaded on 11/19/2010 for the course CHEMISTRY Chem 1A Di taught by Professor Rameshdarasasingham during the Spring '10 term at UC Irvine.

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Worksheet_6 - H C H C C C O Cl H H N Complete the Lewis...

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