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Unformatted text preview: 2. Draw Lewis structures for the following. Show resonance where applicable. a. PH 3 b. NO 2-c. C 2 H 2 d. CO 3 2-e. NH 4 + f. HCN 3. For the following, draw two Lewis structures, one which satisfies the octet rule and one which minimizes formal charge. a. BeF 2 b. SO 3 4. Order the following species with respect to the carbon-oxygen bond length (shortest to longest): CO, CO 2 , CO 3 2-, CH 3 OH What is the order from weakest to strongest carbon-oxygen bond? 5. Predict the molecular geometry of the following molecules and state whether polar or nonpolar. a. CCl 4 b. H 2 CO c. SO 2 d. NF 3 e. I 3-f. BrF 5...
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