Organic Chemistry 2 - 2120 mid 09

Organic Chemistry 2 - 2120 mid 09 - 1 C HM 21 20 MI DTE R M...

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CHM 2120 MIDTERM EXAMINATION OCTOBER 17, 2009 TIME: 2H TONY DURST SEAT NUMBER PLEASE PASTE TICKET HERE NAME:[FAMILY]__________________________ NAME [FIRST] __________________________ STUDENT NUMBER:_____________________ THE FOLLOWING PARTIAL PERIODIC TABLE MAY BE OF USE Li _ B C N O F Na Mg Al Si P S Cl K Se Br I Please Note: 1. The total marks for the exam is 75 points. The marking scheme is a guide and should be considered approximate. It is subject to small changes 2. Answer all questions. Read the questions carefully and answer what is asked. 3. Part marks are given for reasonable, but incomplete answers. Question 1. 6 points Name each of the following structures using either the IUPAC system or an acceptable trivial name OR supply a structure to a name. Stereochemistry, if shown, should be recognized either in the name or in the structure drawn. H F H CH 3 a) b) CO 2 H H 3 C H 3 C c) (E, Z)- 2,4-hexadiene d) para-nitrophenol e) the allyl carbocation e) OH Cl 1
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Question 2. 7 points Indicate the direction of the equilibrium in each of the following and EXPLAIN the reason for your choice. H 3 C N + a) CH 3 CH 3 H (+) OH H 3 C N CH 3 CH 3 O H H (+) + C C H H 3 C + Na (+) (-) OtBu C C (-) Na(+) H 3 C + HOtBu b) H 3 C (+) H 3 C (+) CH 3 CH 3 A B c) c-1) Show also the mechanism for the conversion of A to B or vise-versa 2
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Question 3. 18 points
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This note was uploaded on 01/16/2011 for the course CHM 2120 taught by Professor Dr.flynn during the Fall '10 term at University of Ottawa.

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Organic Chemistry 2 - 2120 mid 09 - 1 C HM 21 20 MI DTE R M...

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