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页数:6页
时间:2019-02-21
《che 230-001 organic chemistry:车230-001有机化学》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、CHE230-001OrganicChemistryExam2(9totalpagesincludingperiodictable)-6-CoverSheet!(MAKEUPEXAM)Writeyournamelegiblyonthelinebelow.CHE230-001OrganicChemistryExam2(9totalpagesincludingperiodictable)-6-_____________________________________________________Exam2,Monday,October
2、23-TuesdayOct24,2000Name:______________________StudentIDNo:____________First:Youareallowedtohaveawritingutensil,acalculatorandmolecularmodelsetatyourseat.Pleaseputawayallothermaterials.Second:Placeyourstudentidentificationonyourdesk.Aproctorwillcomearoundtocheckeveryon
3、e’sID.Isyournameandnumberonyourtest?Third:Quicklyreadthroughtheentireexam.Yourgoal,asalways,istoscoreasmanypointsaspossible.Donotwastetimeonproblemsthatyoucan’tdoifthereareeasyquestions.Fourth:Itiscriticallyimportantthatyouranswersbewritteninaclear,unambiguousmanner.An
4、swersinwhichyourintentionsareunclearwillnotreceivecredit.SHOWYOURWORK!Fifth:READTHEINSTRUCTIONSFOREACHPROBLEM.answereachquestionYouhaveuntil6:50tocompletethisexam.Therearenoextensions;budgetyourtime.ProblemNumberPointspossibleScore1.10_____2.15_____3.10_____4.15_____5.
5、15_____6.15_____7.10_____8.10_____Total100_____CHE230-001OrganicChemistryExam2(9totalpagesincludingperiodictable)-6-1.(10pts.)Rankthefollowingmoleculesbytheirenergyofhydrogenation.LabelthestartingmaterialofthehydrogenationreactionthathasthemostnegativeDG1,thenextmostne
6、gativeDGlabel2etc.AnexampleofahydrogenationreactionisCH2=CH2+H2-->CH3-CH3Putyouranswersonthelinebelow.A___B___C___D___E___F___2.Whencompound2xbelowistreatedwithtriethylamine(abase)itloosesaprotonandbecomesconjugatebase2y.When2yistreatedwithlithiumdiethylamide(amuchstro
7、ngerconjugatebasethantriethylamine)2yloosesanotherprotonandbecomesconjugatebase2z.a.(5pts)Drawthestructureof2yandlabelit.b.(5pts)Drawthestructureof2zandlabelitc.(5pts)Explainyouranswer,whyisonesiteeasiertodeprotonate?____________________________________________________
8、_____________________________________________________________________________________________________________________
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