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Midterm_1-2006_ - NAME STUDENT ID NUMBER LAB TIME TA NAME...

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NAME: STUDENT ID NUMBER LAB TIME TA NAME CHEMISTRY 112A First Midterm February 6, 2006 I. --------------------- (10) II.--------------------- (8) III.-------------------- (10) IV--------------------- (6) V. --------------------- (10) VI. -------------------- (8) VII-------------------- (10) VIII-------------------- (10) IX-------------------- (10) X-------------------- (8) XI-------------------- (10) Bonus ---------------- (5) Total -------------------(100)
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I) a) Name the compound below. b) Draw a skeletal structure for this compound c) Identify the quaternary and tertiary carbon(s) CH 3 CH 2 C CH 3 CH 3 CH 2 CH CH 2 CH 2 CH 3 CH 3 II) Draw the structure of the cis -2-pentene and trans 1,3-diethylcyclobutane. III) a) Indicate the hybridization of all of the carbons. b) Indicate the number of hydrogen(s) on each carbon. 1 2 3 4 5 6 carbon number hybridization number of H O 1 2 3 4 5 6 c) How many lone pairs are located on the oxygen? d) Most of the atoms of this molecule are in the same plane. Which are the exceptions (briefly justify your answer).
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IV) Indicate the formal charges for the following molecule. H C N N H V) a) Circle the highest priority group on each carbon of the double bond of the following molecules. b) Assign E or Z configuration to each molecule?
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