Exam-2-1 - CHE 201/203 Fall 2007 Midterm Exam-2 November 2,...

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Exam-2.doc page 1 CHE 201/203 Fall 2007 Midterm Exam-2 November 2, 2007 Name: (please print) Section: CHE Person #: Signature: Problem Maximum points Actual points 1. 30 2. 20 3. 12 4. 15 5. 15 6. 18 7. 12 8. 16 9. 12 10. (extra credit) 10 Total maximum 160 Your total
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page 2 1. (30 pts) True or False. a) A molecule can be achiral even though it does not have a plane of symmetry. b) A planar molecule can never be chiral. c) A carbon atom attached to three different groups may also be chiral. d) Inversion of configuration always happens in an S N 2 reaction. e) An S N 1 reaction leads to both retention and inversion of configuration. f) A bond-breaking reaction is exothermic. g) The E1 reaction is favored in aprotic, polar solvents. h) A good nucleophile but weak base promotes E2 reactions. i) The rate of a reaction is determined by the free energy difference between the products and the reactants. j)
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Exam-2-1 - CHE 201/203 Fall 2007 Midterm Exam-2 November 2,...

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