Chem_38__Exam_1_1_ - Name Chem 38 Exam 1-This exam is...

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Name:___________________________________ Chem 38 Exam 1 —This exam is comprised of 10 problems on 6 pages. Please check to make sure that you have all the pages. 1. ( 5 points) Please write a Kekule Structure(line bond structure) for C 3 H 6 O 2 and show all non- bonded electrons. (Although several structures are possible just draw one that satisfies the atom valences and the octet rule.) 2. ( 6 points) Please identify all of the carbons as 1 o , 2 o , 3 o , 4 o , in the following structure. C H 2 C C CH 3 H 3 C CH 3 H 3. ( 6 points) Please fill in the missing numbers (indicated by ?) in the following structures. HCCl ? (CH 3 ) ? O H 3 C CH ? ?= ?= ?= 1
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4. ( 9 points) In the following sets of organic compounds, please circle the structures in each set that are the same compounds. If none of the compounds are the same place a check mark to the right of each set of three structures. CH 3 -CH-CH-CH3 CH 3 CH 2 -CH-CH Br CH 3 CH 3 CH 3 -CH-CH CH 3 C-CH 2 Br CH 3 CH 3 CH 2 -CH-CH CH 3 CH-CH Br CH 3 H 3 C CH 3 CH 3 CH 3 CH H H 3 C C C H H OH H CH 3 CH 3 C C H H OH H CH 3 H 2 CCH 3 C OH H
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