LP_calc - Chemistry 114 Lab Practical Spring 2010 Name:

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Unformatted text preview: Chemistry 114 Lab Practical Spring 2010 Name: ______________________________________ 1. For each of the following give 1) the most appropriate Lewis structure, 2) all resonance structures, and 3) formal changes for all atoms having any. a) nitric acid, HNO 3 b) hydrogen phosphate ion, HPO 2 4 2. For the following molecules, circle those which have a dipole moment. a) CH 4 b) CH 2 Br 2 c) CBr 4 d) COS e) CS 2 f) AlCl 3 g) PH 3 h) Cl 2 O i) ICl 2 j) H 2 S 3. PCl 2 F 3 does not have a dipole moment. a) Use VSEPR to predict, and carefully draw, the structure consistent with this data. b) Why does your structure have no dipole moment?-2- 4. For each of the following give a) the electronic geometry (electron-group arrangement) for the central atom, b) the molecular geometry (shape), c) all bond angles (when distorted, tell if angle is greater than or less than VSEPR prediction and give the prediction), and d) draw the best three-dimensional structure (omit resonance structures and omit drawing lone pairs of electrons on outer atoms but include them on the central atom)....
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This note was uploaded on 04/13/2010 for the course CHEM 114 taught by Professor Jursich during the Spring '08 term at Ill. Chicago.

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LP_calc - Chemistry 114 Lab Practical Spring 2010 Name:

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