H10_FA2010 - C111 Homework 10 FA2010 Name _ DUE FRIDAY DEC...

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C111   Homework 10      FA2010 Name  _______________________ DUE FRIDAY DEC 10, BY 5 PM 1. (2 pts) Draw the Lewis dot structure for the molecule, BrF 3 . What is the electron pair geometry of the molecule? What is the molecular geometry? What hybrid orbital on Br is used? Show how to calculate (and calculate) the formal charge on the Br atom in this molecule. Electron pair geometry Molecular geometry Hybrid orbital on Br Formal charge on the Br atom 2. (2 pts) Show 2 different Lewis structures for HNO 2 (two resonance structures), using the arrangements of atoms, provided below. (The nitrogen is between the two oxygen atoms, and the hydrogen is attached to one of the oxygens as shown.) Which of your two structures is more likely? Justify your choice using octet rule and formal charge calculations. Structure 1: H O N O Structure 2: H O N O
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3. (1.8 pts) Draw Lewis structure for PO 3 3 - ion. The phosphorous is between the three sulfur atoms. What is the electron pair geometry of the ion? What is the molecular geometry? What is
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H10_FA2010 - C111 Homework 10 FA2010 Name _ DUE FRIDAY DEC...

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