CH223 - WebAssign Sunday, July 17 2011 05:07 PM EDT Logged...

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WebAssign Sunday, July 17 2011 05:07 PM EDT Logged in as cdbadger@ncsu Log out Home | My Assignments | Grades | Communication | Calendar Notifications | Help | My Options CH_223, section 651, Summer 1 2011 My Assignments CH223 651 Exam 1 (Exam) Crystal Badger CH_223, section 651, Summer 1 2011 Instructor: Kay Sandberg Current Score : 57.5 / 100 Due : Tuesday, June 14 2011 10:00 PM EDT Ask Your Teacher Extension Requests Print Assignment Question Points 1 2 3 4 5 6 7 8 9 10 11 12 13 0/6 5/5 4/4 0/7 16/28 4/4 2/6 6/6 0/6 7/7 4.5/6 0/6 9/9 Total 57.5/100 (57.5%)
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Assignment Submission For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer. Assignment Scoring Your last submission is used for your score. The due date for this assignment is past. Your work can be viewed below, but no changes can be made. Important! Before you view the answer key, decide whether or not you plan to request an extension. Your Instructor may not grant you an extension if you have viewed the answer key. Automatic extensions are not granted if you have viewed the answer key. Request Extension 1. 0/6 points | Previous Answers My Notes Question Part Points Submissions Used 1 0/6 3/3 Total 0/6 This question has some parts which are scored using special conditions. Question Part 1: A deduction of 25% of the points for this question will be subtracted for each submission used beyond 1. Draw the skeletal structure for the major organic product produced from the reaction below. 25% penalty for each submission beyond the first one.
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Solution or Explanation The strong bulky base produces the double bond in conjugation with ring pi system via the E2 mechanism followed by Markovnikov hydration in which the benzylic carbocation is formed in the first step when the pi bonding electrons transform to sigma bonding electrons with the proton. The water then attacks the benzylic carbocation leading to an alcohol after the final proton transfer. Viewing Saved Work Revert to Last Response 2. 5/5 points | Previous Answers My Notes Question Part Points Submissions Used 1 5/5 1/2 Total 5/5 This question has some parts which are scored using special conditions. Question Part 1: A deduction of 50% of the points for this question will be subtracted for each submission used beyond 1. Below is given one of the resonance structures of the arenium ion resulting from the attack of a disubstituted benzene derivative with an activated electrophile. Input the number that corresponds to the disubstituted benzene derivative starting material . 50% penalty for second submission. 11
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CH223 - WebAssign Sunday, July 17 2011 05:07 PM EDT Logged...

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