3answers - Columbia University Courseworks 10/08/2007 05:21...

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10/08/2007 05:21 PM Columbia University Courseworks Page 1 of 5 https://courseworks.columbia.edu/ Homework: Chapter 3: Part 2 This homework assignment covers material from Oxtoby, 6th ed., Chapter 3: Chemical Bonding: The Classical Description VSEPR and Oxidation Numbers 1 of a possible 1 pts 1.) (1.) Predict the carbon-oxygen bond lengths in the formate ion given the below information and the structures shown for the ion. Carbon-to-Oxygen Bond Bond Length, pm triple 109 double 123 single 143 Correct Answer: Both carbon-to-oxygen bond lengths are the same and intermediate between 143 pm and 123 pm. Your Answer: Both carbon-to-oxygen bond lengths are the same and intermediate between 143 pm and 123 pm. 0 of a possible 1 pts 2.) (2.) Which molecule is polar? Correct Answer: NF 3 Your Answer: SF 6 0 of a possible 1 pts 3.) (3.) What is the best description of predicted shape of the OF 2 molecule? Correct Answer: bent Your Answer: linear 1 of a possible 1 pts 4.) (4.) The central atom in which of the following molecules and molecular ions has a steric number of 4? Correct Answer: CCl 4 Your Answer: CCl 4 0 5.) (5.) According to the VSEPR theory, which of the following should possess a dipole moment?
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10/08/2007 05:21 PM Columbia University Courseworks Page 2 of 5 https://courseworks.columbia.edu/ of a possible 1 pts Correct Answer:
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3answers - Columbia University Courseworks 10/08/2007 05:21...

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