F06 midterm2

F06 midterm2 - Manashi Chatterjee Ph.D Midterm-2 Fall 2006 Chem-30 A Last Name First Name MI Student ID Number Signature Name of your TA Breeyawn

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Manashi Chatterjee Ph.D. Midterm -2- Fall 2006 Chem-30 A Last Name Student ID Number : First MI Name of your TA: Breeyawn / Paul / Ryan Total: / 100 Discussion Section - Day : Time: Chem 30 A Fall 2006 Midterm # 2 (50 mins) Monday November 20, 2006 DO NOT OPEN THIS EXAM UNTIL INSTRUCTED TO DO SO Signature Page Point Score 1 2 3 15 16 21 41 0 He Ne Ar Kr Xe F Cl Br I O S Se Te N P As Sb C Si Ge Sn B Al Ga In 2.1 H Be Mg Ca Sr 1.5 1.2 1.0 2.0 1.5 1.8 2.1 2.5 3.0 2.8 2.4 2.0 1.8 1.6 1.7 1.8 1.9 2.1 2.5 Electronegativity values for some atoms (Pauling scale) 5 6 7 8 Total 10 8 10 10 100
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Manashi Chatterjee Ph.D. Midterm -2- Fall 2006 Chem-30 A 1. For each pair of structures given below, circle the most stable structure. If you believe the two structures are identical in energy, circle both. In the box, provide a brief (6 words or fewer) explanation for your choice. No credit for incorrect or incomplete explanation. (12 points) H CH 3 H H H 3 H H H 3 C H H CH 3 a) b) c) d) 2. Rank the following compounds in the order of increasing acidity . (3 POINTS) Cl SH SH OH A B C Answer is: _______<_____<___________ 1
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Manashi Chatterjee Ph.D. Midterm -2- Fall 2006 Chem-30 A 3. Give the major product/products formed in each of the following reaction (including stereochemistry where appropriate) in the large box. If more than one isomer is formed write both and indicate ratio.
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This note was uploaded on 04/06/2008 for the course CHEM 30A taught by Professor Chatterjee during the Fall '08 term at UCLA.

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F06 midterm2 - Manashi Chatterjee Ph.D Midterm-2 Fall 2006 Chem-30 A Last Name First Name MI Student ID Number Signature Name of your TA Breeyawn

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