Advanced Organic Chemistry Exam Bank - 3751 Verified Questions

Advanced Organic Chemistry Exam Bank https://quizplus.com/study-set/3664 27 Chapters 3751 Verified Questions

Advanced Organic Chemistry Exam Bank Course Introduction Advanced Organic Chemistry delves deeply into the mechanisms, reactivity, and strategies

of

organic

chemical

transformations.

The

course

emphasizes

the

understanding of reaction mechanisms, stereochemistry, synthetic methodologies, and the use of spectroscopic techniques for structure elucidation. Topics typically include pericyclic reactions, carbocation and radical chemistry, enolate chemistry, asymmetric synthesis, and advanced concepts in aromaticity and aromatic substitution. Students engage with recent literature to explore modern developments and applications in organic synthesis, preparing for research or advanced professional work in organic chemistry.

Recommended Textbook Organic Chemistry 3rd Edition by David R. Klein

Available Study Resources on Quizplus 27 Chapters 3751 Verified Questions 3751 Flashcards Source URL: https://quizplus.com/study-set/3664

Page 2

Chapter 1: A Review of General Chemistry: Electrons, Bonds, and Molecular Properties Available Study Resources on Quizplus for this Chatper 191 Verified Questions 191 Flashcards Source URL: https://quizplus.com/quiz/72919

Sample Questions Q1) Which of the following compounds have a net dipole moment? A) CBr₄ B) CO₂ C) CH₄ D) H₂O E) C₂H₄ Answer: D Q2) Which intermolecular force is generally considered the weakest? A) ion-dipole interactions B) London dispersion forces C) dipole-dipole interactions D) hydrogen bonding E) covalent bonding Answer: B Q3) According to molecular orbital theory, the constructive interference of two atomic orbitals results in a(n) _______. Answer: bonding molecular orbital Q4) Draw the Lewis structure for NH₂CN including formal charges, if any? Answer: 11ea894b_ac3f_17fd_bba7_bb70517ce0dc_TB4454_00_TB4454_00 Page 3 To view all questions and flashcards with answers, click on the resource link above.

Chapter 2: Molecular Representations Available Study Resources on Quizplus for this Chatper 168 Verified Questions 168 Flashcards Source URL: https://quizplus.com/quiz/72920

Sample Questions Q1)

Draw

the

Lewis

structure

for

CH₃C≡C(CH₂)₃C(CH₃)₃. Answer: 11ea894b_ac55_adb9_bba7_b731aff568d8_TB4454_00_TB4454_00 Q2) The spreading of positive or negative charge over two or more atoms in a compound is called_______. A) isomerism B) delocalization C) stereoisomerism D) localization E) None of these Answer: B Q3)

Draw

a

bond-line

structure

for

(CH₃)₂N(CH₂)₃CH(CH₃) ₂. Answer: 11ea894b_ac59_cc85_bba7_53d2cdeda8c3_TB4454_00_TB4454_00 Q4)

Draw

all

the

constitutional

isomers

with

a

molecular

formula

of

C₃H₆O and label the functional groups in each isomer. Answer:

11ea894b_ac5d_9d38_bba7_d92c94e321f0_TB4454_00_TB4454_00

11ea894b_ac5d_c449_bba7_671896bd267a_TB4454_00_TB4454_00 To view all questions and flashcards with answers, click on the resource link above. Page 4

Chapter 3: Acids and Bases Available Study Resources on Quizplus for this Chatper 127 Verified Questions 127 Flashcards Source URL: https://quizplus.com/quiz/72921

Sample Questions Q1) In a Brønsted-Lowry acid-base reaction, the reactants are _______. A) Brønsted-Lowry acid and Brønsted-Lowry base B) Brønsted-Lowry acid and conjugate base C) Brønsted-Lowry base and conjugate acid D) conjugate acid and conjugate base E) Brønsted-Lowry acid and conjugate acid Answer: A Q2) Which of the following is not a Brønsted -Lowry base? A) CH₃OH B) CH₃OCH₃ C) CH₃NH₂ D) CH₃CH₃ E) None of these Answer: D Q3) Which of the following compounds is more acidic? Explain why. HF and HBr Answer: HBr is more acidic than HF. The Br^- ion has larger ionic size than the F^- ion, which allows for spreading of charge over a larger volume of space. This results in a more stable anion and a weak conjugate base. HF also participates in hydrogen bonding and is a weak acid. To view all questions and flashcards with answers, click on the resource link above. Page 5

Chapter 4: Alkanes and Cycloalkanes Available Study Resources on Quizplus for this Chatper 116 Verified Questions 116 Flashcards Source URL: https://quizplus.com/quiz/72922

Sample Questions Q1) Draw an energy diagram for the conformational analysis of propane. Q2) The process that converts straight-chain alkanes into branched hydrocarbons is called _____________. A) hydrogenation B) cracking C) reforming D) hydrolysis Q3) Draw a chair conformation of methylcyclohexane. Q4) Identify the size of the hydrocarbon that is used in jet fuel. A) C₁ - C₄ B) C₅ - C₁₂ C) C₁₂ - C₁₈ D) C₁₂ and higher Q5) Draw the most stable conformation of trans-1,4-diethylcyclohexane. Q6) Draw the lowest energy chair conformer of the most stable isomer of 4-isopropyl-1,2-dimethylcyclohexane. Q7) What is the structure of [2.2.2]bicyclooctane? Q8) What is the structure of an isopropyl group? Page 6 Q9)

Give

the

structures

and

C₆H₁₄.

IUPAC

names

of

all

constitutional

isomers

of

To view all questions and flashcards with answers, click on the resource link above.

Page 7

Chapter 5: Stereoisomerism Available Study Resources on Quizplus for this Chatper 141 Verified Questions 141 Flashcards Source URL: https://quizplus.com/quiz/72923

Sample Questions Q1) What is the % ee of a sample of carvone that exhibits a specific rotation of −20, given that the specific rotation of (R)-carvone is −61? Q2) What is the percentage of the S enantiomer in a sample of carvone that has a specific rotation of 10, given that the specific rotation of (R)-carvone is −61? A) 42 B) 84 C) 16 D) 58 Q3) When a racemic mixture is reacted with a single enantiomer of another compound, then a pair of _________ is formed. A) identical compounds B) enantiomers C) diastereomers D) none of the above Q4) What is the percentage of the R enantiomer in a sample of limonene that has a specific rotation of −38, given that the specific rotation of (S)-limonene is −116? Q5) Draw the structure of the compound (R)-4-ethyloctane. To view all questions and flashcards with answers, click on the resource link above. Page 8

Chapter 6: Chemical Reactivity and Mechanisms Available Study Resources on Quizplus for this Chatper 96 Verified Questions 96 Flashcards Source URL: https://quizplus.com/quiz/72924

Sample Questions Q1) Which of the following is hydride? A) H⁺ B) H C) H⁻ D) H₂ Q2) Predict the sign of ∆G for an endothermic reaction with an increase in entropy. A) positive B) negative C) no change D) cannot predict without additional information Q3) What is a transition state? A) An isolable intermediate in a reaction. B) The starting materials of the reaction. C) A local maximum on the energy diagram. D) A low-energy point between the starting materials and the product. Q4) Does a reaction with a positive ∆G favor reactants or products? Q5) Draw an energy diagram for a concerted exothermic reaction. Q6) Draw an energy diagram for an endothermic reaction with two steps. Q7) Does a reaction with a ∆H of 14 kJ/mol Page 9and a ∆S of 150 J/mol·K at 298 K favor reactants or products?

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Chapter 7: Alkyl Halides: Nucleophilic Substitution and Elimination Reactions Available Study Resources on Quizplus for this Chatper 224 Verified Questions 224 Flashcards Source URL: https://quizplus.com/quiz/72925

Sample Questions Q1) Which of the following is true about the stereochemistry of S_N1 reaction? A) retention of configuration at the electrophilic center B) inversion of configuration at the electrophilic center C) 50:50 mixture of retention and inversion of configuration at the electrophilic center D) slightly more inversion than retention at the electrophilic center E) slightly more retention than inversion at the electrophilic center Q2) When drawing a curved arrow mechanism, the tail of the arrow starts at______. A) the bond that is being formed B) the atom with the positive charge C) the source of electrons that is being moved D) the location to which the electrons are being moved Q3) Which of the following is a secondary alkyl halide? A) 1-Bromo-2-methylpropane B) 2-Bromopropane C) 1-Bromobutane D) 2-Bromo-2-methylpropane Q4) Which pattern of arrow pushing is associated with the first step in any dehydration reaction? Page 10 To view all questions and flashcards with answers, click on the resource link above.

Chapter 8: Addition Reactions of Alkenes Available Study Resources on Quizplus for this Chatper 153 Verified Questions 153 Flashcards Source URL: https://quizplus.com/quiz/72926

Sample Questions Q1) When an alkene is subjected to treatment with Hg(OAc)₂ in alcohol, followed by reaction with NaBH₄, what functional group is formed? A) ether B) epoxide C) alkane D) syn diol E) alkyne Q2) The Markovnikov product resulting from an addition reaction to an unsymmetrical alkene is formed because _____________. A) the product is statistically favored B) steric hindrance favors its formation C) the reaction proceeds via the more/most stable carbocation D) the reaction forms the more/most stable product E) All of the above are valid reasons Q3) A reaction that could potentially yield two or more constitutional isomers, but as in hydroboration-oxidation

produces

only

one

isomer,

is

said

to

_____________________. Q4) The alkene precursor to acetone is __________. Q5) The alkene precursor to ethanol is __________. 11 click on the resource link above. To view all questions and flashcards with Page answers,

be

Chapter 9: Alkynes Available Study Resources on Quizplus for this Chatper 177 Verified Questions 177 Flashcards Source URL: https://quizplus.com/quiz/72927

Sample Questions Q1) Select the best reagent to convert 3-heptyne to trans-3-heptene? A) Na/NH₃ B) 1 eq. NaNH₂, NH₃ C) excess NaNH₂, NH₃ D) H₂/Pt E) H₂/Lindlar's catalyst Q2) Which of the following is a structure for octa-3,6-dien-1-yne? A) HC≡CCH=CHCH=CHCH₂CH₃ B) CH₃CH=CHCH₂C≡CC≡CH C) CH₃CH=CHCH₂CH=CHC≡CH D) CH₃C≡CCH=CHCH=CHCH₃ E) H₂C=CHC≡CCH₂CH=CHCH₃ Q3) Identify the expected major product from the treatment of 1-pentyne with 1 equivalent of HBr. A) 1-bromo-1-pentene B) 2-bromo-1-pentene C) 1,1-dibromopentane D) 2,2-dibromopentane E) 1,2-dibromopentane Q4) What reagent(s) are required to prepare trans-2-heptene from 2-heptyne? Page 12 To view all questions and flashcards with answers, click on the resource link above.

Chapter 10: Radical Reactions Available Study Resources on Quizplus for this Chatper 102 Verified Questions 102 Flashcards Source URL: https://quizplus.com/quiz/72928

Sample Questions Q1) Give the arrows to show the second propagation step for the reaction of a chlorine radical with ozone. Q2) Which monomer is used for the synthesis of poly(vinyl chloride)? A) 1-chloroethene B) 1-chloroethane C) 1,2-dichloroethene D) 1-chloro-1-propene Q3) Which of the following correctly describes the nature of the transition state of the rate-determining step of the free-radical bromination of methane? A) the transition state resembles the reactants more than the products B) the transition state resembles the products more than the reactants C) the transition state equally resembles products and reactants Q4) Thermal cracking of butane can produce ethyl radicals via homolytic cleavage. Give the arrows to show this process. Q5) Propylene (propene) undergoes free radical polymerization with benzoyl peroxide, but does not produce very long chains. Provide a reasonable explanation for this result. Q6) Propose a synthesis of 4-penten-2-ol from propene. Q7) Propose a synthesis of polyethylene from ethane. Page 13 To view all questions and flashcards with answers, click on the resource link above.

Chapter 11: Synthesis Available Study Resources on Quizplus for this Chatper 106 Verified Questions 106 Flashcards Source URL: https://quizplus.com/quiz/72929

Sample Questions Q1) Identify the changes that must occur in converting cis-2-butene into 2-butanol. A) only the identity of the functional group(s) must change B) only the carbon skeleton must change C) only the location of the functional group(s) must change D) only the identity and location of the functional group(s) must change E) both the carbon skeleton and the identity of the functional group(s) must change Q2) Which order of reactions would most effectively convert trans-2-butene into 1-butene? A) convert to the gem-dibromoalkane, then to the terminal alkyne, then to the terminal alkene B) convert to an alcohol, then to a terminal alkyne, finally to the terminal alkene C) convert to the terminal alkene in one step D) shorten the chain by two carbons, then add a two-carbon alkene to the end E) convert to an alkane, then to a terminal alkyne, and finally to a terminal alkene Q3) Devise a synthetic route to convert 5-methyl-1-hexene into 5-methylhexanal. Q4) Devise a synthetic route to prepare 1,7-heptanediol from propene. Q5) Propose a synthesis of 1-butene from propyne. To view all questions and flashcards with answers, click on the resource link above. Page 14

Chapter 12: Alcohols and Phenols Available Study Resources on Quizplus for this Chatper 147 Verified Questions 147 Flashcards Source URL: https://quizplus.com/quiz/72930

Sample Questions Q1)

The

reaction

between

2-methyl-2-pentanol

and

sulfuric

acid

to

2-methyl-2-pentene goes via a(n) _____. A) S_N1 mechanism B) S_N2 mechanism C) E1 mechanism D) E2 mechanism E) None of these. Q2) Identify the alcohol in alcoholic drinks. A) methanol B) 2-propanol C) ethanol D) 1-butanol E) 1-propanol Q3) Provide the structure for (2R,3S) -2-bromo-1,3-pentanediol. Q4) Identify the characteristics of the oxymercuration-demercuration of an alkene. A) Markovnikov, with rearrangement possible B) Markovnikov, with no rearrangement possible C) anti-Markovnikov, with rearrangement possible D) anti-Markovnikov, with no rearrangement possible Q5) Provide the structure for 6-sec-butyl-7,7-dimethyl-4-decanol. Page 15 To view all questions and flashcards with answers, click on the resource link above.

yield

Chapter 13: Ethers and Epoxides; Thiols and Sulfides Available Study Resources on Quizplus for this Chatper 139 Verified Questions 139 Flashcards Source URL: https://quizplus.com/quiz/72931

Sample Questions Q1) Which one of the following reactions would produce t-butyl methyl ether in high yield? A) CH₃ONa + (CH₃)₃CBr B) CH₃OH + (CH₃)₃COH in the presence of H₂SO₄ at 140°C C) CH₃Cl + (CH₃)₃CBr in the presence of NaOH D) (CH₃)₃CONa + CH₃Br Q2) Identify the mechanism for the Williamson ether synthesis. A) SN1 mechanism B) SN2 mechanism C) E1 mechanism D) E1 Mechanism Q3) What is the correct structure for 3-methyl-1-hexanethiol? Q4)

What

is

the

common

name

for

(CH₃)₂CHCH₂OCH(CH₃)<sub>2</sub >? A) diisobutyl ether B) isobutyl isopropyl ether C) sec-butyl isopropyl ether D) diisopropyl ether E) none of these

Page 16

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Chapter 14: Infrared Spectroscopy and Mass Spectrometry Available Study Resources on Quizplus for this Chatper 135 Verified Questions 135 Flashcards Source URL: https://quizplus.com/quiz/72932

Sample Questions Q1) Which of the following is true about the (M+1)⁺• peak on the mass spectrum of a hydrocarbon? A) it is always the most abundant peak B) it is due to the ¹³C isotope of carbon C) it has a m/z value lower than the molecular ion D) it is useful in calculating number of carbon atoms E) B and D Q2) Which molecular formula is consistent with the following mass spectral data? M⁺•at m/z = 78, relative height = 23.5% (M+1)⁺•at m/z = 79, relative height = 0.78% (M+2)⁺•at m/z = 80, relative height = 7.5% A) C₆H₆ B) C₃H₇Cl C) C₆H₈ D) C₆H₉Cl E) none of these Q3) Propose all possible structures for a compound with molecular formula C₄H₉N

that

shows

two

medium

absorptions

at

3400

cm^-1 and no absorption in the range of 1600 - 1800 cm^-1 in its IR spectrum. To view all questions and flashcards with answers, click on the resource link above. Page 17

Chapter 15: Nuclear Magnetic Resonance Spectroscopy Available Study Resources on Quizplus for this Chatper 140 Verified Questions 140 Flashcards Source URL: https://quizplus.com/quiz/72933

Sample Questions Q1) Which of the following does not display a signal in the DEPT-135 ¹³C NMR spectroscopy? A) CH₃ B) CH₂ C) CH D) C E) none of these Q2) Draw a structure, with a formula of C₄H₁₀O, which has an integration of 6H, 2H, 1H, and 1H. Q3) List the most common nuclei that are used in NMR. Q4)

Propose

a

structure

for

a

compound,

with

molecular

formula

C₁₀H₁₂O, that fits the following spectroscopic data: IR: 1680 cm^-1 ¹H NMR: 1.0 \(\delta\) (triplet, 3H), 1.5 \(\delta\) (sextet, 2H), 2.6 \(\delta\) (triplet, 2H), 7.4 \(\delta\)

(triplet, 2H), 7.5 \(\delta\)

(triplet, 1H), 7.9 \(\delta\)

(doublet, 2H) Q5) The ^{ADVANCE \u 2}¹ ADVANCE \d 2H NMR spectrum of 1-propanol displays a singlet for the OH proton instead of a triplet. Explain why. To view all questions and flashcards with answers, click on the resource link above. Page 18

Chapter 16: Conjugated Pi Systems and Pericyclic Reactions Available Study Resources on Quizplus for this Chatper 140 Verified Questions 140 Flashcards Source URL: https://quizplus.com/quiz/72934

Sample Questions Q1) Both s-cis and s-trans conformers of 1,3-butadiene have a continuous conjugated \(\pi\) system. Which of the following statements is true about the s-cis conformer? A) The s-cis conformer is lower in energy than the s-trans conformer B) The s-cis conformer is higher in energy than the s-trans conformer C) The s-cis conformer has equal energy as the s-trans conformer D) none of these Q2) Provide the structure for (Z)-2-methyl-2,4-hexadiene. Q3) Identify the MOs that react to form cyclohexene. A) HOMO of 1,3-butadiene and LUMO of ethylene B) LUMO of 1,3-butadiene and LUMO of ethylene C) HOMO of 1,3-butadiene and HOMO of ethylene D) LUMO of 1,3-butadiene and LUMO of 1,3-butadiene E) HOMO of 1,3-butadiene and HOMO of 1,3-butadiene Q4) Identify the conjugated diene(s). A. 4-methyl-1,3-heptadiene B. 3-methyl-1,5-heptadiene C. 2-methyl-2,4-heptadiene D. 4-methyl-1,4-heptadiene E. 5-methyl-2,3-heptadiene

Page 19

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Chapter 17: Aromatic Compounds Available Study Resources on Quizplus for this Chatper 118 Verified Questions 118 Flashcards Source URL: https://quizplus.com/quiz/72935

Sample Questions Q1) Identify the aromatic hydrocarbon with the highest stabilization energy per ring. A) phenanthrene B) benzene C) naphthalene D) anthracene Q2) What is the structure for p-aminobenzoic acid (PABA)? Q3) Give the common name for anisole. A) hydroxybenzene B) aminobenzene C) methylbenzene D) ethylbenzene E) methoxybenzene Q4) Identify the number of \(\pi\) electrons present in an aromatic compound. A) 4n + 2 B) 2n + 2 C) 4n D) 2n E) 3n Q5) What is the structure for 3-isobutyl-5-isopropylaniline? 20 click on the resource link above. To view all questions and flashcards withPage answers,

Chapter 18: Aromatic Substitution Reactions Available Study Resources on Quizplus for this Chatper 122 Verified Questions 122 Flashcards Source URL: https://quizplus.com/quiz/72936

Sample Questions Q1) Which one of the following reactions is most likely to give a polysubstituted product? A) Friedel-Crafts alkylation B) Friedel-Crafts acylation C) nitration D) sulfonation E) halogenation Q2) Provide all resonance structures of the sigma complex when aniline reacts with an electrophile (E⁺) to yield the para-substituted product. Q3) Which one of the following compounds will be most reactive towards an electrophilic aromatic bromination reaction? A) nitrobenzene B) anisole C) acetanilide D) benzene E) benzaldehyde Q4) List the three steps involved in an electrophilic aromatic substitution reaction. Q5) Give the preferred products from the nitration of bromobenzene. To view all questions and flashcards with answers, click on the resource link above. Page 21

Chapter 19: Aldehydes and Ketones Available Study Resources on Quizplus for this Chatper 169 Verified Questions 169 Flashcards Source URL: https://quizplus.com/quiz/72937

Sample Questions Q1) Suggest a stepwise synthesis for 3-phenylpropanal from benzyl alcohol. Q2) Suggest a stepwise synthesis for pentanal from butanal. Q3)

Provide

a

structure

for

the

compound

with

molecular

formula

C₉H₁₀O and with the following spectroscopic data. IR: 1680 cm⁻¹ ¹H NMR: 1.25 \(\delta\)(triplet, 3H), 3.0 \(\delta\) (quartet, 2H), 7-8 \(\delta\) (multiplet, 5H) Q4) Suggest a stepwise synthesis for 5-methylhexanal from 3-methyl-1-bromobutane. Q5)

Provide

a

structure

for

the

compound

with

molecular

formula

C₅H₁₀O and with the following spectroscopic data. IR: 1720 cm⁻¹ ¹H NMR: 0.9 \(\delta\) (triplet, 3H), 1.7 \(\delta\) (sextet, 2H), 2.1 \(\delta\) (singlet, 3H), 2.4 \(\delta\) (triplet, 2H) Q6) Provide the structure for 2,3-dimethyl-2-octen-4-one. Q7) Provide the structure for 4-methylbenzaldehyde. Q8) Benzaldehyde is less reactive than ethanal towards nucleophilic addition reactions. Explain why using words as well as structural drawings. 22 click on the resource link above. To view all questions and flashcards withPage answers,

Chapter 20: Carboxylic Acids and Their Derivatives Available Study Resources on Quizplus for this Chatper 144 Verified Questions 144 Flashcards Source URL: https://quizplus.com/quiz/72938

Sample Questions Q1) Provide the structure for benzoyl chloride. Q2)

Provide

the

reagents

necessary

to

convert

4,5-dimethyl-1-hexanol

N-cyclopentyl-4,5-dimethylhexanamide. Q3) Methanoic acid is commonly known as ________. Q4) Which one of the following is the strongest acid? A) benzoic acid B) 4-nitrobenzoic acid C) 4-ethylbenzoic acid D) 4-chlorobenzoic acid E) 4-hydroxybenzoic acid Q5) Provide the structure for N-methylcyclohexanecarboxamide. Q6) Which one of the following compounds has the highest boiling point? A) butanoic acid B) 1-butanol C) 2-butanone D) methoxyethane E) butanal Q7) Provide the structure for benzoic ethanoic anhydride. Page 23 Q8) Provide the structure for 3-ethylbenzonitrile. Q9) Provide the structure for acetic formic anhydride.

into

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Page 24

Chapter 21: Alpha Carbon Chemistry: Enols and Enolates Available Study Resources on Quizplus for this Chatper 147 Verified Questions 147 Flashcards Source URL: https://quizplus.com/quiz/72939

Sample Questions Q1) Which cannot be used in a Claisen condensation? A) two esters, both without alpha hydrogens B) one ester with an alpha hydrogen and one ester without an alpha hydrogen C) two esters, both with alpha hydrogens D) all of these E) none of these Q2) Give the name of the reaction in which a carboxylic acid can undergo alpha halogenation. Q3) Provide the structure of the enolate when acetophenone is treated with a strong base. Q4) Which one of the following compounds is most acidic? A) ethyl acetoacetate B) 2-butanone C) ethyl pentanoate D) 1-butanol E) 3-pentanone Q5) Give the organic by-product in a haloform reaction. Q6) Provide the structure of the enol when 3,3,6-trimethyl-4-heptanone is treated with acid. Page 25 Q7) In an aldol mechanism, the ___________ attacks the aldehyde. To view all questions and flashcards with answers, click on the resource link above.

Chapter 22: Amines Available Study Resources on Quizplus for this Chatper 112 Verified Questions 112 Flashcards Source URL: https://quizplus.com/quiz/72940

Sample Questions Q1) What is the structure for N,N-diethylaniline? Q2) What is the structure for N-ethylbenzylamine? Q3) Which of the following is a quaternary ammonium salt? A) CH₃CH₂CH₂CH₂NH₃<sup >+</sup> Cl^- B)

(CH₃CH₂)₂NH₂⁺

Cl^- C) (CH₃CH₂)₃NH⁺ Cl^- D) (CH₃CH₂)₄N⁺Cl^- E) (CH₃CH₂)₂NCH₃ Q4) Provide the reagents necessary to convert (S)-3-methyl-3-phenylpentanoic acid to (S)-3-methyl-3-phenylpentanamine. Q5) Provide a stepwise synthesis of 3-amino-2-methylpentane using the Gabriel synthesis. Q6) Identify the strongest base. A) 4-chloroaniline B) 4-nitroaniline C) 4-aminobenzonitrile D) aniline

Page 26

E) 4-aminoanisole To view all questions and flashcards with answers, click on the resource link above.

Chapter 23: Introduction to Organometallic Compounds Available Study Resources on Quizplus for this Chatper 118 Verified Questions 118 Flashcards Source URL: https://quizplus.com/quiz/72941

Sample Questions Q1) Starting from bromobenzene and ________ as the only source of carbon atoms, 1-phenylcyclohexene can be synthesized using a Corey-Posner/Whitesides-House coupling reaction. A) 1-iodocyclohexene B) 3-iodocyclohexene C) iodocyclohexane D) (iodomethyl)cyclohexane Q2) Which of the following organozinc compounds can be used in a Negishi coupling reaction? A) a vinyl organozinc B) an alkyl organozinc C) an aryl organozinc D) a benzyl organozinc E) all of the above Q3) Which catalysts are common in the Stille coupling reaction? A) Pd(PPh₃)₄ B) Pd (OAc)₂ C) PdCl₂(PPh₃)₂ D) All of the above Q4) Explain why the solvent for a Grignard reaction must be free of water. Page 27 To view all questions and flashcards with answers, click on the resource link above.

Chapter 24: Carbohydrates Available Study Resources on Quizplus for this Chatper 144 Verified Questions 144 Flashcards Source URL: https://quizplus.com/quiz/72942

Sample Questions Q1) Draw the Haworth projection for \(\beta\)-D-erythrofuranose. Q2) Anomers of D-fructofuranose differ in stereochemistry at ____ carbon. A) C1 B) C2 C) C3 D) C4 E) C5 Q3) The sequence of reactions that results in a chain lengthening of the aldose chain is called the _______________ synthesis. Q4) Degradation of naturally occurring glucose produces _________ that is ________. A) D-glyceraldehyde, dextrorotatory B) D-glyceraldehyde, levorotatory C) L-glyceraldehyde, dextrorotatory D) L-glyceraldehyde, levorotatory E) none of these Q5) Draw the chair conformation of \(\alpha\)-D-galactopyranose. Q6) Predict the product(s) when \(\alpha\)-D-glucose is treated with methanamine in the presence of acid. Page 28 Q7) Identify the monosaccharide(s) in \(\beta\)-lactose. Q8) Draw the Fisher projection for L-glucose.

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Page 29

Chapter 25: Amino Acids, Peptides, and Proteins Available Study Resources on Quizplus for this Chatper 133 Verified Questions 133 Flashcards Source URL: https://quizplus.com/quiz/72943

Sample Questions Q1) Cooking an egg is an example of ________________, and is irreversible. Q2) Draw a bond-line structure for the tetrapeptide Ala-Ser-Cys-Phe. Q3) Which of the following is used to detect the presence of amino acids using chromatography? A) 2,4-DNP B) methyl orange C) phenolphthalein D) ninhydrin E) methyl red Q4) How do enzymes speed up a reaction? Q5) \(\alpha\)-Keratin found in nails has more strength than \(\alpha\)-keratin found in hair due to the presence of more ___________. A) hydrophobic interactions B) salt bridges C) (\(\alpha\)-helix) D) disulfide bridges E) pleated sheets Q6) Provide the structure of the predominant form of valine at pH 10? Q7) _______________ is a condition Page where30 the hemoglobin is distorted. Q8) How will you prepare phenylalanine using a Hell-Volhard-Zelinski reaction? To view all questions and flashcards with answers, click on the resource link above.

Chapter 26: Lipids Available Study Resources on Quizplus for this Chatper 123 Verified Questions 123 Flashcards Source URL: https://quizplus.com/quiz/72944

Sample Questions Q1) Birds have a layer of wax on their ______________, making them water repellant. A) legs B) feathers C) ears D) breast E) eyes Q2) Identify the number of carbons in a tetraterpene. A) 10 B) 15 C) 20 D) 30 E) 40 Q3) Which one of the following fatty acids has the lowest melting point? A) oleic acid B) linoleic acid C) palmitoleic acid D) arachidonic acid E) arachidic acid Q4) Why is decanol more efficient at crossing the cell membrane than hexanol? Q5) Explain why fatty acids cannot form a bilayer. Page 31 To view all questions and flashcards with answers, click on the resource link above.

Chapter 27: Synthetic Polymers Available Study Resources on Quizplus for this Chatper 119 Verified Questions 119 Flashcards Source URL: https://quizplus.com/quiz/72945

Sample Questions Q1) Draw a possible segment of isotactic polyacrylonitrile. Q2) Vulcanization of rubber results in _______ between the neighboring chains of the polymer. A) hydrogen bonding B) salt bridges C) phosphide bridges D) disulfide bridges E) none of these Q3) Draw a possible segment of syndiotactic poly(vinyl fluoride). Q4) Draw a possible segment of isotactic poly(vinyl acetate). Q5) Which of the following descriptions is/are consistent with biodegradable polymers? A) polymers that can be broken down by enzymes produced by microorganisms B) polymers with ester moieties C) polymers with amide moieties D) polymers known as polyhydroxyalkanoates E) all of these Q6) Provide the structure of a region of a random copolymer constructed from ethylene and styrene. Q7) Give the monomers to form Nylon 6,6. Page 32 To view all questions and flashcards with answers, click on the resource link above.