HW10Key - find it helpful to refer to Table 4.1 in your...

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Graded Homework Problem #10 – Answer Key Deadline : 3:00 p.m., Thursday, 3/6/08 LATE WORK WILL NOT BE ACCEPTED OR GRADED!!! This problem is worth a total of 20 raw points. In each part below, predict the products of the most likely Brønsted–Lowry acid–base reaction. Write the products in the appropriate boxes. If a product is a resonance hybrid, it is only necessary to draw one of the important contributing resonance structures. Please note that there is more than one type of proton in each acid on the left – assume that only the most acidic proton will react with the base. You may find it helpful to refer to Table 4.1 in your textbook to determine which proton is most acidic!!! Then, indicate whether the equilibrium will favor the reactants or whether the equilibrium will favor the products by circling the appropriate choice. Once again, you may
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Unformatted text preview: find it helpful to refer to Table 4.1 in your textbook to determine the position of the equilibrium. HSCH 2 CH 2 NH 2 (a) + NH 2 + acid base conjugate acid conjugate base Equilibrium favors r e a c t a n t s (lies to the l e f t ) Equilibrium favors p r o d u c t s (lies to the r i g h t ) HOCH 2 CH 2 C (b) Br + acid base conjugate acid conjugate base Equilibrium favors r e a c t a n t s (lies to the l e f t ) Equilibrium favors p r o d u c t s (lies to the r i g h t ) C H + resembles H 2 S (pK a = 7.04) resembles NH 3 (pK a = 38) SCH 2 CH 2 NH 2 H Br pK a = -8 th e s tro n g r a c id lo H + to y ie ld w k resembles CH 3 CH 2 OH (pK a = 15.9) resembles (pK a = 25) HC CH H NH 2 pK a = 38 OCH 2 CH 2 C C H...
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This homework help was uploaded on 04/11/2008 for the course CH 310M taught by Professor Iverson during the Spring '05 term at University of Texas.

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