Exam 2 B Solutions Chemistry 101

Exam 2 B Solutions Chemistry 101 - 2 C #3 109 tetrahedral...

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Exam 2 – Form B CH 101-007 October 22, 2007 Name: _______________KEY ______________________ Student I D : __________________ (please print) I agree to have this graded exam returned in class _____________________________________ where others may see my grade : (signature) 1. (12) cpd mol 1 cpd g 148.3 x O mol 6 cpd mol 1 x O mol 2.84 2. Least mass (6) A 6. a) (8) SO 3 SP = 4 NO 2 1+ SP = 4 Greatest mass (6) B b) c) 3. Least number (6) C Greatest number (6) E 4. Most polar (5) In-O d) Least polar (5) F-O 5. Highest (5) NCl 3 Lowest (5) CH 4 7. a) Pi-bonds (6) 10 (3 each) b) Bond Shape Hyb. C #1 120 trigonal planar sp 2 C #2 120 trigonal planar sp
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Unformatted text preview: 2 C #3 109 tetrahedral sp 3 C #4 180 linear sp (2 each) 12. Cell #1 Cell #2 Cell #3 a) FCC SC BCC b) 12 6 8 c) 1 3 2 d) (6) BCC I pledge that I have neither given nor received aid on this examination. Signature : _____________________________________________ (10) SO 3 O S O O +2 (10) NO 2 1+ O N O OR O N O (3 each) SO 3 NO 2 1+ bond order 1.33 2 number of -bonds 3 2 number of -bonds 1 2 other resonance structures? (yes or no) yes yes 8. Lowest (8) PH 3 Highest (8) MgCl 2 9. (10) E 10. (10) B 11. Smallest (5) A Greatest (5) D 13. (10) C 14. (10) C 15. E sys (5) - 15 J E surr (5) 15 J...
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This homework help was uploaded on 04/16/2008 for the course CH 101 taught by Professor Bigham during the Spring '08 term at N.C. State.

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