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Unformatted text preview: CH223 001 HW 31 (Daily) SHAW ROBERT H CH 223, section 001, Fall 2008 Instructor: Kay Sandberg Web Assign Current Score: 7 out of 10 Due: Friday, November 7, 2008 07:00 AM EST Description This assignment corresponds mainly to Lecture 31 and the DE presentation(s) which accompany it. Instructions Please note: you only get one submission on the multiple choice so choose wisely. The due date for this assignment is past. Your work can be viewed below, but no changes can be made. 1. 3.5/3.5 points Amine basicity determination. (a) Rank the following in order of increasing basicity by placing the corresponding letter in the blank. C C least basic A A B B D D most basic (b) Select the amine whose equilibrium solution will contain the largest concentration of hydroxide ions when the amine is placed in water. N-methylbenzylamine or N-ethylaniline N-methylbenzylamine N-methylbenzylamine Solution or Explanation (a) The more electron-withdrawing the substituent is, the more the lone pair is delocalized into the...
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This note was uploaded on 02/03/2009 for the course CH CH 102, 20 taught by Professor Ta,ta,sandberg during the Fall '08 term at N.C. State.
- Fall '08