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1 EM 234, Spring 2017 Midterm #3 Ian R. Gould MPLETE TIS SETI : Up to TW PITS will be removed for incorrect/missing information! PRITED FIRST AME Answer Key Person on your LEFT (or Empty or Aisle) Person on your RIGT (or Empty or Aisle) lass you are REGISTERED FR (onground or hybrid) The room where most students will take the test for your class, i.e. LS A-191 for onground and PS -152 for hybrid) PRITED LAST AME **YU ARE T ALLWED T TAKE SPARE PIES F TIS EXAM FRM TE TESTIG RM** PRIT YUR AME EA PAGE! READ TE DIRETIS AREFULLY! USE BLAK PAGES AS SRAT PAPER work on blank pages will not be graded... WRITE LEARLY! MLEULAR MDELS ARE ALLWED D T USE RED IK D'T EAT, USE MM SESE! Li Be B F e a Mg e Al Si P S l Ar K a Sc Ti V r Mn Fe o i u Zn Ga Ge As Se Kr Rb Sr Y Zr b Mo Tc Ru Rh Pd Ag d In Sn Sb Te I s Ba Lu f Ta W Re s Ir Pt Au g Tl Pb Bi Po At Rn R 2 R (δ, ppm) variable and condition dependent, ca. 2-6 δ R R Aromatic R 2 R 2 Xe R 2 Aromatic Ar mainly R Interaction Energies, kcal/mol Eclipsing / ~1.0 /Me ~1.4 Me/Me ~2.6 Et/Et ~3.1 Infrared orrelation hart small range usually range of values strong broad peak peaks R 2200 broad with spikes ~ broad ~ broad ~ R (cm -1 ) 1500 MR orrelation harts 2 X R R 2 R Gauche Me/Me ~0.9 Et/Me ~0.95 i-pr/me ~1.1 t-bu/me ~2.7 Alkyl X Alkyl 3 > 2 > > 2 > 1 0 0
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3 EM 234, Fall 2017 Midterm #3 Ian R. Gould YU MUST MPLETE TIS PAGE WIT YUR AME (EVE TUG YU ALREADY DID TIS TE VER PAGE) AD ALS GIVE YUR ASU R PSTIG ID UMBER WE EED TIS UMBER BEAUSE YU WULD'T BELIEVE TE UMBER F STUDETS WSE AMES WE A'T READ! PRITED FIRST AME ASWER PRITED LAST AME KEY ASU ID or Posting ID Points by question 1 /13 2 /25 3a /7 3b /7 3c /7 3d /7 3e /7 3f /7 4 /14 5a /22 5b /22 6a /22 6b /14 Points Removed for cover errors /2 Extra redit /5 Total (incl Extra) /175+5 **YU ARE T ALLWED T TAKE SPARE PIES F TIS EXAM FRM TE TESTIG RM**
4 M 234, Spring 2017, Midterm # AME Question 1 (14 pts). Give the IUPA name for the following compound. Be sure to use cis/trans, E/Z or R/S where appropriate bromo-(3R)-hydroxypentanal Question 2 (25 pts.) Give a complete arrow-pushing mechanism for the following, indicate the Lews and onsted acids/bases for each ITERMLEULAR step only (LB, LB, BB, BA), AD DRAW ALL RELEVAT RESAE TRIBUTRS FR TE ITERMEDIATES or the TER oxygen can be protonated first, etc. 3 3 LB LA
5 M 234, Spring 2017, Midterm #3-3 - AME Question 3 (42 pts.) Provide the missing major organic products or reagents/conditions as appropriate, you can IGRE stereochemistry in these problems (a) 2 /l 2 All 3 (b) (c) 1 Equivalent 3 l (cat.) 3 (solvent) 3 + a 3 Zn/g (d) l/ 2 (e) Ts (cat.) (do an intramolecular reaction here) R 1. KMn 4 / - /boil 2 (f) Question 4 (14 pts.) Reaction A is faster than Reaction B. Give a BRIEF explanation. 3 S 3 3 S 3 2 S 3 2 A B 2 S 2 S 4 4 S 3 electron donating groups are ATIVATIG, which makes reaction at ALL positions faster electron withdrawing groups are DEATIVATIG, which makes reaction at all positions slower
6 EM 234, Spring 2017 MIDTERM #3-4 - AME Question 5 (44 pts.) Synthesize the (target) molecules on the right from the starting molecules the left. this can not be done in one reaction. Give reagents and conditions and the intermediate molecules at each step. Do not show any mechanisms or transient intermediates. If other isomers are formed at any step then you need to indicate this but you do not need to draw their structures. 2 a) 3 / 2 S 4 separate the isomers 2 l /l/all 3 2 l 2 /Fe 3 2 /Fe l 2 /All 3 2 /l/all 3 l Pd/ l l separate the isomers b) (ignore stereochemistry) l (cat.) ab 4 Et Mg.TF 3 + Mg Mg
7 M 234, Spring 2017, Midterm #3-5 - AME Question 6 (36 pts.) a) Give a complete arrow-pushing mechanism for the following, indicate the Lews and onsted acids/bases for each ITERMLEULAR step only (LB, LB, BB, BA), but you do T need to show all resonance contributors for intermediates a) l LB/BA l l 2 LB/BA b) Give a complete arrow-pushing mechanism for the following, indicate the Lews and onsted acids/bases for each ITERMLEULAR step only (LB, LB, BB, BA). b) 2 a + Extra credit question (5 pts). n what kind of structure is Agent range based on? Ketone hlorobenzene Benzaldehyde Acetal
Third Midterm. Witig 2 /18... reactions 3 /32... retro 1 4 /40... mxn 1 6 /20... max 2 7 /15... Extra Credit /5. Infrared Correlation Chart C O
EM 234, Spring 2009 Third Midterm Ian R. Gould PRITED FIRST AME ASWER PRITED LAST AME KEY ASU ID or Posting ID Person on your LEFT (or Aisle)!PRIT YUR AME EA PAGE! READ TE DIRETIS AREFULLY! USE BLAK PAGES
More information**YOU ARE NOT ALLOWED TO TAKE SPARE COPIES OF THIS EXAM FROM THE TESTING ROOM**
EM 233, Fall 2016 Midterm #3 Ian R. Gould MPLETE TIS SETI : Up to TW PITS will be removed for incorrect/missing information! PRITED FIRST AME Answer Key Person on your LEFT (or Empty or Aisle) Person on
More information**YOU ARE NOT ALLOWED TO TAKE SPARE COPIES OF THIS EXAM FROM THE TESTING ROOM**
EM 234, Spring 2018 Final Exam Ian R. Gould MPLETE TIS SETI : Up to TW PITS will be removed for incorrect/missing information! PRITED FIRST AME PRITED LAST AME Person on your LEFT (or Empty or Aisle) Person
More informationCHEM 234, Spring 2016 COMPLETE THIS SECTION : Up to TWO POINTS will be removed for incorrect/missing information!
EM 234, Spring 2016 FIAL EXAM MPLETE TIS SETI : Up to TW PITS will be removed for incorrect/missing information! Ian R. Gould PRITED FIRST AME PRITED LAST AME a Mg Person on your LEFT (or Empty or Aisle)
More informationThird Midterm EAS 2 /15... Keq 3 /12... Stork 4 /14... Retro 6 /38... Benene R 7 /20... Claisen Mxn 8 /20... Extra Credit /5
EM 234, Spring 2008 PRITED FIRST AME PRITED LAST AME Third Midterm ASU ID or Posting ID Ian R. Gould Person on your LEFT (or Aisle)!PRIT YUR AME EA PAGE! READ TE DIRETIS AREFULLY! USE BLAK PAGES AS SRAT
More information**YOU ARE NOT ALLOWED TO TAKE SPARE COPIES OF THIS EXAM FROM THE TESTING ROOM**
EM 24, Spring 2017 Midterm #2 Ian R. Gould MPLETE TIS SETIN : Up to TW PINTS will be removed for incorrect/missing information! PRINTED FIRST Answer Key Person on your LEFT (or Empty or Aisle) Person on
More informationCOMPLETE THIS SECTION : Up to TWO POINTS will be removed for incorrect/missing information!
M 234, Spring 2019 Midterm #1 Ian R. Gould MPLETE TIS SETIN : Up to TW PINTS will be removed for incorrect/missing information! PRINTED FIRST NAME Answer Key Person on your LEFT (or Empty or Aisle) Person
More informationFirst Midterm. Ian R. Gould PRINTED FIRST NAME. noman 2 /17 1 /10. acidity 3 /39. reactions 4 /21. bonds 5 /12. acidity 2 6 /40. synth 7 /36.
EM 234, Spring 2011 First Midterm Ian R. Gould PRITED FIRST AME ASWER PRITED LAST AME KEY ASU ID or Posting ID Person on your LEFT (or Aisle) PRIT YUR AME EA PAGE! READ TE DIRETIS AREFULLY! USE BLAK PAGES
More informationSecond Midterm ASU ID or Posting ID
EM 234, Spring 2010 PRITED FIRST AME PRITED LAST AME Second Midterm ASU ID or Posting ID Ian R. Gould Person on your LEFT (or Aisle) PRIT YUR AME EA PAGE! READ TE DIRETIS AREFULLY! USE BLAK PAGES AS SRAT
More informationFinal Exam ASU ID or Posting ID
EM 234, Spring 2008 PRITED FIRST AME PRITED LAST AME Final Exam ASU ID or Posting ID Ian R. Gould Person on your LEFT (or Aisle)!PRIT YUR AME EA PAGE! READ TE DIRETIS AREFULLY! USE BLAK PAGES AS SRAT PAPER
More informationMIDTERM #3 PRACTICE TEST #1
EM 234 PRITED FIRST AME the exam cover sheets look kind of like this PRITED LAST AME ASU ID or Posting ID Ian R. Gould Person on your LEFT (or Aisle) Person on your RIGT (or Aisle) PRIT YUR AME EA PAGE!
More information**YOU ARE NOT ALLOWED TO TAKE SPARE COPIES OF THIS EXAM FROM THE TESTING ROOM**
HEM 234, Spring 2017 Midterm #2 Ian R. Gould MPLETE THIS SETIN : Up to TW PINTS will be removed for incorrect/missing information! PRINTED FIRST NAME PRINTED LAST NAME Person on your LEFT (or Empty or
More information**YOU ARE NOT ALLOWED TO TAKE SPARE COPIES OF THIS EXAM FROM THE TESTING ROOM**
EM 233, Fall 2017 Midterm #2 Ian R. Gould MPLETE TIS SETIN : Up to TW PINTS will be removed for incorrect/missing information! PRINTED FIRST PRINTED LAST Person on your LEFT (or Empty or Aisle) Person
More informationFinal Exam ASU ID or Posting ID 8 /18... Extra Credit /5
EM 234, Spring 2008 PRITED FIRST AME PRITED LAST AME Final Exam ASU ID or Posting ID Ian R. Gould Person on your LEFT (or Aisle)!PRIT YUR AME EA PAGE! READ TE DIRETIS AREFULLY! USE BLAK PAGES AS SRAT PAPER
More informationCHEM 233, Spring 2016 COMPLETE THIS SECTION : Up to TWO POINTS will be removed for incorrect/missing information!
EM 233, Spring 2016 Midterm #1 MPLETE TIS SETI : Up to TW PITS will be removed for incorrect/missing information! Ian R. Gould PRITED FIRST ME PRITED LST ME Person on your LEFT (or Empty or isle) Person
More informationMidterm #1. key 1 / / / / / / /14... Extra Credit /5. Infrared Correlation Chart. NMR Correlation Charts
EM 233, Fall 2015 PRITED FIRST AME answer PRITED LAST AME Midterm #1 key ASU ID or Posting ID Ian R. Gould Person on your LEFT (or Aisle) PRIT YUR AME EA PAGE! READ TE DIRETIS AREFULLY! USE BLAK PAGES
More informationMidterm #2 PRINTED LAST NAME 2 /20 3 /16 4 /9 5 /8 7 /24
EM 234, Spring 2016 PRINTED FIRST complete this section ANSWER KEY Midterm #2 PRINTED LAST Ian R. Gould Person on your LEFT (or Empty or Aisle) Person on your RIGT (or Empty or Aisle) ASU or Posting ID
More information**YOU ARE NOT ALLOWED TO TAKE SPARE COPIES OF THIS EXAM FROM THE TESTING ROOM**
EM 234, Spring 2018 Final Exam Ian R. Gould MPLETE TIS SETI : Up to TW PITS will be removed for incorrect/missing information! PRITED FIRST AME Answer Key Person on your LEFT (or Empty or Aisle) Person
More informationCHEM 233, Spring 2016 COMPLETE THIS SECTION : Up to TWO POINTS will be removed for incorrect/missing information!
EM 233, Spring 2016 Midterm #1 MPLETE TIS SETI : Up to TW PITS will be removed for incorrect/missing information! SWER KEY PRITED FIRST ME PRITED LST ME Ian R. Gould Person on your LEFT (or Empty or isle)
More information**YOU ARE NOT ALLOWED TO TAKE SPARE COPIES OF THIS EXAM FROM THE TESTING ROOM**
EM 233, Fall 2018 Midterm #1 Ian R. Gould MPLETE TIS SETI : Up to TW PITS will be removed for incorrect/missing information! PRITED FIRST ME nswer Key ME F the Person on your LEFT (or Empty or isle) ME
More information**YOU ARE NOT ALLOWED TO TAKE SPARE COPIES OF THIS EXAM FROM THE TESTING ROOM**
EM 233, Fall 2017 Midterm #3 Ian R. Gould MPLETE TIS SETIN : Up to TW PINTS will be removed for incorrect/missing information! PRINTED FIRST NME answer key PRINTED LST NME Person on your LEFT (or Empty
More informationSecond Midterm. Ian R. Gould PRINTED FIRST NAME 1 / / / / / / /24... Extra Credit /5
EM 234, Spring 2011 Second Midterm Ian R. Gould PRITE FIRST ME SWER PRITE LST ME KEY SU I or Posting I Person on your LEFT (or isle) PRIT YUR ME E PGE! RE TE IRETIS REFULLY! USE LK PGES S SRT PPER work
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