HW6 - Owlia Arria – Homework 6 – Due Oct 9 2007...

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Unformatted text preview: Owlia, Arria – Homework 6 – Due: Oct 9 2007, midnight – Inst: Vandenbout 1 This print-out should have 23 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. The due time is Central time. Here are more questions finishing up Chap- ter 13 and starting Chapter 14. Remember, the HWS could be overloaded with the actual due time arrives Tuesday night. 001 (part 1 of 1) 10 points Consider a 3-atom molecule A B A for which B has a total of only four valence elec- trons – enough to make two bonds. Predict the A-B-A bond angle. 1. 120 ◦ 2. 180 ◦ 3. 90 ◦ 4. 109.5 ◦ 5. 60 ◦ 002 (part 1 of 1) 10 points Consider the compound peroxyacetylni- trate, an eye irritant in smog. O N C O O O O CH 3 O ← Predict the indicated bond angle. 1. 90 ◦ 2. 60 ◦ 3. 30 ◦ 4. 109.5 ◦ 5. 120 ◦ 003 (part 1 of 2) 10 points Draw the Lewis structure for NO- 2 . How many single bonds, double bonds, triple bonds, and unshared pairs of electrons are on the central atom, in that order? 1. 0; 1; 1; 0 2. 2; 0; 0; 2 3. 0; 2; 0; 0 4. 4; 0; 0; 0 5. 0; 0; 1; 1 6. 3; 0; 0; 1 7. 1; 1; 0; 1 8. None of these 9. 1; 0; 1; 0 10. 2; 1; 0; 0 004 (part 2 of 2) 10 points Determine the molecular geometry of the ion NO- 2 ....
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This note was uploaded on 05/01/2008 for the course CH 301 taught by Professor Fakhreddine/lyon during the Fall '07 term at University of Texas.

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HW6 - Owlia Arria – Homework 6 – Due Oct 9 2007...

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