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CHEM 219 / CHEM219 Final Exam: (NEW 2025/ 2026 Update) 100% Correct - Portage Learning
Typology: Exams
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Determinel thel molecularl formulal forl thel givenl structurall formulal representation Answer: C3H3N
Determinel thel molecularl formulal forl thel givenl structurall formulal representation
Answer: C5H8O
Whatl isl thel molecularl formulal forl thel indicatedl structurall formula Answer: C10H
Matchl eachl ofl thel followingl examplesl ofl anl organicl reactionl tol itsl correctl descriptionl 1 - 5 Answer: 1)l Radicall Halogenationl ofl anl Alkanel 2)l EAS 3)l Oxidationl ofl anl Alcoholl 4)l Reductionl ofl al carbonyll compoundl 5)l Reductivel amination
Matchl eachl ofl thel followingl examplesl ofl anl organicl reactionl tol itsl correctl descriptionl 6 - 10
Answer: 6)l dehydrationl ofl anl alcoholl 7)l additionl tol anl alkenel 8)l combustionl ofl anl alkanel 9)l reductionl ofl al nitrilel 10)l ozonolysisl ofl anl alkene
Completel thel descriptionl ofl al freel radicall polymerizationl mechanisml byl fillingl inl thel blanksl inl thel following
Classifyl thel followingl organicl moleculel inl termsl of:l i)l typel ofl hydrocarbon,l ii)l configuration,l iii)l functionall group Answer: i)l aliphaticl ii)l branchedl iii)l 2 l degreel alkyll halide,l carboxylicl acid
Classifyl thel followingl organicl moleculel inl termsl of:l i)l typel ofl hydrocarbon,l ii)l configuration,l iii)l functionall group Answer: i)l aliphaticl ii)l branchedl
iii)l alkene
Classifyl thel followingl organicl moleculel inl termsl of:l i)l typel ofl hydrocarbon,l ii)l configuration,l iii)l functionall group Answer: i)l aliphaticl ii)l cyclicl iii)l alkene
Classifyl thel followingl organicl moleculel inl termsl of:l i)l typel ofl hydrocarbon,l ii)l configuration,l iii)l functionall group Answer: i)l aliphaticl ii)l linear iii)l ketone
i)l aliphaticl ii)l branched iii)l primaryl amine
Forl thel followingl moleculel determine:l a)l thel numberl ofl stereocentersl presentl b)l thel maximuml numberl ofl individuall stereoisomersl thatl couldl possiblyl existl forl thel compound Answer: a)l 3 b)l 8
Forl thel followingl moleculel determine:l a)l thel numberl ofl stereocentersl presentl b)l thel maximuml numberl ofl individuall stereoisomersl thatl couldl possiblyl existl forl thel compound Answer: a)l 1 b)l 2
Forl eachl ofl thel followingl alkenes,l generatel thel IUPACl systematicl namel forl thel molecule,l includingl thel E/Zl designationl forl thel doublel bond Answer: a)l E-1,4-dichloro- 3 - heptenel b)l Z- 2 - bromo- 4 - chloro- 3 - methyl- 3 - hexene
Partl ii Answer: a)l Z- 1 - chloro- 4 - methyl- 3 - heptenel b)l E-1,4-dichloro- 3 - heptene
T/Fl Aromaticl hydrocarbonl arel notedl forl theirl highl degreel ofl reactivity
T/Fl "aromatic"l isl onel ofl twol majorl classificationsl forl hydrocarbonl molecules Answer: True
T/Fl Bulkyl substratesl preferl tol reactl tol Sn Answer: False
T/Fl Thel "2"l inl Sn2,l orl E2l meansl thatl thel ratel ofl thisl mechanisml dependsl onl thel concentrationl ofl twol speciesl inl thel reactionl mixture Answer: True
T/Fl Thel firstl stepl inl anl Sn1l orl E1l mechanisml isl thel inversionl ofl thel substrate Answer: False
T/Fl Thel "1"l inl Sn1,l meansl thatl thel ratel ofl thel reactionl onlyl dependsl uponl thel concentrationl ofl onel ofl thel reagents Answer: True
T/Fl Thel usel ofl weakl basesl asl nucleophilesl promotesl eliminationl overl substitutionl inl mostl cases Answer: False
Severall examplesl ofl thel nitrogenous,l heterocyclicl basesl forl thel nucleotidesl ofl DNAl andl RNAl arel shownl below.l Inl eachl moleculel determinel ifl thel labeledl nitrogenl atomsl arel pyridinel likel orl pyrrolel like.l Inl addition,l statel whetherl eachl nitrogenl wouldl bel basicl orl neutral.l Uracill andl Adenine
3)l pyridine-like,l basicl 4)l pyrrole-like,l neutral
Usingl thel datal froml thel followingl tables,l dol thel following:l Matchl eachl akalil ionl tol thel properl crownl etherl tol forml al host-guestl interaction. Answer: 1)l D 2)l A 3)l B 4)l C
Usingl thel datal froml thel followingl tables,l dol thel following:l Matchl eachl ofl crownl etherl tol itsl correctl structurall formula
Answer: 1)l D 2)l A 3)l B 4)l C
Basedl onl thel reactivityl trendl forl carboxylicl acidl derivatives,l statel whetherl thel followingl conversionsl arel likelyl tol occurl orl not:
3)l Unlikelyl tol occurl 4)l Unlikelyl tol occur
partl 3)l Basedl onl thel reactivityl trendl forl carboxylicl acidl derivatives,l statel whetherl thel followingl conversionsl arel likelyl tol occurl orl not: Answer: 1)l Likely 2)l Unlikelyl 3)l Likelyl 4)l Unlikely
