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Q5ckey - A S N 1 B S N 2 C S N 1 and S N 2 D E2_B 4...

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5a CHEM 3053 – Fall 2011 Name: First__________________ Last__________________ CWID__________________ Quiz #5 – 15 points Date: Friday, October 21, 2011 Mark the letter answer legibly (A, B, C, or D) for each question in the blank to the left. ____B____ 1) Identify which anion would be the least nucleophilic in aprotic solvents. A) F - B) I - C) Br - D) Cl - ____C____ 2) Identify which anion would be the worst leaving group.
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Unformatted text preview: A) S N 1 B) S N 2 C) S N 1 and S N 2 D) E2 ____B____ 4) Identify which compound would be the strongest nucleophile. A) H 2 O B) -OH C) CH 3 CO 2-D) CH 3 OH ____A____ 5) Identify the most stable carbocation. ___A_____ 6) Extra Credit: Identify which alkyl halide would react the slowest via an S N 2 mechanism. Et Br DMSO NaCN Et CN + Et CN 75% 25% A) B) C) D) A) B) C) D) I F Br Cl...
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