CH223 Exam 2

CH223 Exam 2 - WebAssign Sunday 05:53 PM EDT Logged in as [email protected] Log out Home | My Assignments | Grades | Communication | Calendar

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WebAssign Sunday, July 17 2011 05:53 PM EDT Logged in as [email protected] Log out Home | My Assignments | Grades | Communication | Calendar Notifications | Help | My Options CH_223, section 651, Summer 1 2011 My Assignments CH223 Exam 2 (Exam) Crystal Badger CH_223, section 651, Summer 1 2011 Instructor: Kay Sandberg Current Score : 69 / 100 Due : Tuesday, July 12 2011 10:59 PM EDT Ask Your Teacher Extension Requests Print Assignment Question Points 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1/5 –/4 0.5/2 3/4 3/3 1.5/13.5 4/4 0/3 4/4 4/8 6.5/6.5 10/10 4/4 4/4 4/4 7.5/9 6/6 6/6 Total 69/100 (69.0%)
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Description You will have 90 minutes total to take this exam - 75 timed minutes for the WebAssign part and then 15 extra minutes to complete your mechanisms and syntheses. Save your mechanisms and syntheses to complete last. 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. 1/5 points | Previous Answers My Notes Question Part Points Submissions Used 1 2 0/4 1/1 1/2 1/1 Total 1/5 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. Given the proton NMR of the carbonyl compound starting material and the product shown:
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a) Draw the skeletal structure of the carbonyl compound starting material 50% credit if correct on second submission. CCC(=O)[D] b) Select the Reagent X needed to carry out the transformation in one step. LAH LAH Viewing Saved Work Revert to Last Response 2. –/4 points My Notes Question Part Points Submissions Used 1 –/4 0/2 The starting material is a single molecule. Draw its skeletal structure. CCCOC(C)=O Solution or Explanation Open JME Editor Restore Saved Drawing Open JME Editor Restore Saved Drawing
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The carbon bonded to the D is the former carbonyl carbon Viewing Saved Work Revert to Last Response 3. 0.5/2 points | Previous Answers My Notes Question Part Points Submissions Used 1 2 3 4 0/0.5 0/0.5 0.5/0.5 0/0.5 1/1 1/1 1/1 1/1 0.5/2 Rank the following carboxylic acids in order from the most acidic to the least acidic BY TYPING IN THE CORRESPONDING LETTERS A through D . Strategy: you may want to submit one at a time.
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This note was uploaded on 07/17/2011 for the course CHEM 223 taught by Professor S during the Spring '10 term at N.C. State.

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CH223 Exam 2 - WebAssign Sunday 05:53 PM EDT Logged in as [email protected] Log out Home | My Assignments | Grades | Communication | Calendar

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