Midterm_1-2008keys

Midterm_1-2008keys - NAME: STUDENT ID NUMBER LAB TIME TA...

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N A M E : STUDENT ID NUMBER LAB TIME T A N A M E CHEMISTRY 112A First Midterm February 5, 2007 1 --------------------- (10) 2--------------------- (10) 3-------------------- (10) 4--------------------- (10) 5 --------------------- (10) 6 -------------------- (10) 7-------------------- (10) 8-------------------- (10) 9-------------------- (10) 10-------------------- (10) 11-------------------- (10) 12-------------------- (10) 13-------------------- (10) Bonus ---------------- (10) Total -------------------(130) => %
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1) Draw the Kekule structure of H 2 CO, and NOCl. 2) a) Assign the formal charges to the atoms of molecule A HN N N b) Assign the formal charges to the atoms of molecule B N N A B c) What is the relationship between A and B? 3) Draw as many different resonance structures as you can for the following compound. H 3 C C O C C O CH 2 CH 3 CH 3 H C H O Cl N O A and B are two resonance structures of the same compound H 3 C C O C C O CH 2 CH 3 CH 3 H 3 C C O C C O CH 2 CH 3 CH 3
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4) a) Indicate the hybridization of all of the carbon atoms of the following molecule. b) Indicate the number of hydrogen(s) on each carbon. c) This molecule is not stable: why ? 123456 carbon number hybridization number of H 1 2 3 4 5 6 5) Circle and identify the functional groups in the following molecule O O O OH H 2 N O 6) a) Name the compound below and draw a skeletal structure.
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This test prep was uploaded on 04/15/2008 for the course CBNS 106 taught by Professor Korzus during the Winter '08 term at UC Riverside.

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Midterm_1-2008keys - NAME: STUDENT ID NUMBER LAB TIME TA...

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