Chem624_Exam3_Spring2008_key

Chem624_Exam3_Spring2008_key - Page 3(10 Pts Page 4(17 Pts...

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1 Page 3 (10 Pts) __________ Print _________________________________ Last First MI Page 4 (17 Pts) __________ Page 5 (19 Pts) __________ KUID__________________________________ Page 6 (24 Pts) __________ Page 3-6 Scantron Total (70 Pts) Total (30 Pts) Total CHEMISTRY 624 Organic Chemistry I Spring 2008 Exam 3 Wednesday, April 2, 2008 Signature:_______________________ Date:__________________
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2 1. Write the IUPAC name for each compound (2 pts each – total 10 pts) If missing S ,take 0.5 pts, or butane instead of propane, take 1 pts. Br H Br CH 3 Br OH CH 3 H 3 C CH 3 OH 1-bromo-2-methylpropane S -2-bromohexane 1-bromo-1-methylcyclohexane 4-methyl-2-pentanol 2,5,5-trimethylcyclohexanol
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3 2. The following is an energy diagram of a reaction. a) Find the matching description of A ~ G from the following: starting materials, products, intermediate, transition state, activation energy ( E a ), enthalpy change ( Δ H °). 5 pts A: starting materials B: transition state C: products D: activation energy ( E a ) E: enthalpy change ( Δ H °) b) Is this reaction exothermic or endothermic? 2 pts endothermic reaction c) Draw an energy diagram when a catalyst is added to the reaction shown in the above energy diagram and explain the effect. Hint: catalyst will facilitate the reaction (increasing the rate of the
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Chem624_Exam3_Spring2008_key - Page 3(10 Pts Page 4(17 Pts...

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