Introduction to Organic Chemistry
Test Bank
Course Introduction
Introduction to Organic Chemistry offers a foundational exploration of the structure, properties, and reactions of organic molecules. This course covers essential topics such as bonding, molecular geometry, functional groups, stereochemistry, reaction mechanisms, and the synthesis of organic compounds. Students will develop skills in interpreting chemical structures, understanding reaction pathways, and applying analytical techniques to solve problems in organic chemistry. The course provides a critical basis for further study in chemistry, biology, medicine, and related fields.
Recommended Textbook
Organic Chemistry 7th Edition by William H. Brown
Available Study Resources on Quizplus
29 Chapters
2476 Verified Questions
2476 Flashcards
Source URL: https://quizplus.com/study-set/3291
Chapter 1: Covalent Bonding and Shapes of Molecules
Available Study Resources on Quizplus for this Chatper
115 Verified Questions
115 Flashcards
Source URL: https://quizplus.com/quiz/65329
Sample Questions
Q1) What is the approximate strength of the C-C bond of ethane?
A)376 kJ/mol (90 kcal./mol)
B)422 kJ/mol (101 kcal./mol)
C)556 kJ/mol (133 kcal./mol)
D)727 kJ/mol (174 kcal./mol)
Answer: A
Q2) What is the ground-state electronic configuration of a fluoride anion (fluorine: atomic number 9)?
A)1s<sup>2</sup>2s<sup>2</sup>2p<sup>2</sup>
B)1s<sup>2</sup>2s<sup>2</sup>2p<sup>5</sup>
C)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup> D)1s<sup>2</sup>2s<sup>2</sup>2p<sup>7</sup>
Answer: C
Q3) Draw bond-line structures of all of the tertiary (3<sup>\(\circ\)</sup>) amines that have the formula C<sub>5</sub>H<sub>11</sub>N.
Answer: 11ea7d75_f5da_bd13_b9bd_136ab4437de0_TB1813_00_TB1813_00
Q4) Draw bond-line structures of all of the ketones that have the formula C<sub>5</sub>H<sub>10</sub>O.
Answer: 11ea7d75_f5da_95ff_b9bd_31a971c76bdd_TB1813_00_TB1813_00
To view all questions and flashcards with answers, click on the resource link above. Page 3
Chapter 2: Alkanes and Cycloalkanes
Available Study Resources on Quizplus for this Chatper
95 Verified Questions
95 Flashcards
Source URL: https://quizplus.com/quiz/65330
Sample Questions
Q1) Which of the following cycloalkanes has the largest heat of combustion?
A)cyclopropane
B)cyclobutane
C)cyclopentane
D)cyclohexane
Answer: D
Q2) Which of the following alkanes has the highest boiling point?
A)propane
B)butane
C)pentane
D)hexane
Answer: D
Q3) Which of the following compounds can adopt a chair conformation in which there are no axial methyl groups?
A)1,1-dimethylcyclohexane
B)cis-1,2-dimethylcyclohexane
C)trans-1,2-dimethylcyclohexane
D)cis-1,3-dimethylcyclohexane
Answer: C
To view all questions and flashcards with answers, click on the resource link above. Page 4
Chapter 3: Stereoisomerism and Chirality
Available Study Resources on Quizplus for this Chatper
93 Verified Questions
93 Flashcards
Source URL: https://quizplus.com/quiz/65331
Sample Questions
Q1) ______________ are stereoisomers that are not mirror images.
Answer: Diastereomers diastereomers
Q2) How many stereoisomers of 2,4-pentanediol, CH<sub>3</sub>CH(OH)CH<sub>2</sub>CH(OH)CH<sub>3</sub>, exist?
A)1
B)2
C)3
D)4
Answer: C
Q3) Which of the following compounds is a meso compound?
A)(2R,3R)-dibromobutane
B)(2R,3S)-dibromobutane
C)(2R,3S)-3-bromo-2-butanol
D)(2R,3R)-3-bromo-2-butanol
Answer: B
Q4) What mass of (S)-(-)-mandelic acid is present in a 10 g sample which has an enantiomeric excess of 30% of the S-enantiomer?
Answer: 6.5 g
Q5) The process that separates enantiomers is called ______________.
Answer: resolution
To view all questions and flashcards with answers, click on the resource link above. Page 5
Chapter 4: Acids and Bases
Available Study Resources on Quizplus for this Chatper
94 Verified Questions
94 Flashcards
Source URL: https://quizplus.com/quiz/65332
Sample Questions
Q1) Which of the following compounds has the lowest pK<sub>a</sub>?
A)H<sub>2</sub>O
B)HBr
C)NH<sub>3</sub>
D)CH<sub>4</sub>
Q2) Provide a brief explanation, based on features of the molecules, for the following trend in pK<sub>a</sub> values?
CH<sub>3</sub>CH<sub>2</sub>OH > CF<sub>3</sub>CH<sub>2</sub>OH ethanol 2,2,2-trifluoromethanol
15.9 12.4
Q3) Which of the following is easiest to deprotonate?
A)CH<sub>4</sub>
B)CH<sub>3</sub>CH<sub>3</sub>
C)CH<sub>2</sub>=CH<sub>2</sub>
D)HC\(\equiv\)CH
Q4) Which of the following anions is the strongest base?
A)CH<sub>3</sub>COO<sup>-</sup>
B)HO<sup>-</sup>
C)NH<sub>2</sub><sup>-</sup>
D)Cl<sup>-</sup>
Page 6
To view all questions and flashcards with answers, click on the resource link above.
Chapter 5: Alkenes: Bonding, Nomenclature, and Properties
Available Study Resources on Quizplus for this Chatper
86 Verified Questions
86 Flashcards
Source URL: https://quizplus.com/quiz/65333
Sample Questions
Q1) Which of the following compounds is most reactive (least stable)?
a.(Z)-cycloheptene
b.(E)-cycloheptene
c.(Z)-cyclooctene
d.(E)-cyclooctene
A)True
B)False
Q2) Which of the following does not correspond to a molecular formula of a neutral compound?
A)C<sub>6</sub>H<sub>9</sub>NO<sub>2</sub>
B)C<sub>5</sub>H<sub>7</sub>N<sub>2</sub>O<sub>2</sub>
C)C<sub>8</sub>H<sub>12</sub>O<sub>3</sub>
D)C<sub>7</sub>H<sub>7</sub>N
Q3) A compound likely to be a liquid at room temperature is represented by the letter ______.
Q4) What is the approximate value of the C-C-C bond angle in propene?
A)90<sup>\(\circ\)</sup>
B)109<sup>\(\circ\)</sup>
C)120<sup>\(\circ\)</sup>
D)180<sup>\(\circ\)</sup>
Page 7
To view all questions and flashcards with answers, click on the resource link above.
Chapter 6: Reactions of Alkenes
Available Study Resources on Quizplus for this Chatper
98 Verified Questions
98 Flashcards
Source URL: https://quizplus.com/quiz/65334
Sample Questions
Q1) Which of the following reactions of alkenes takes place with syn stereospecificity?
A)addition of bromine (treatment with Br<sub>2</sub>)
B)hydrogenation (treatment with H<sub>2</sub>/Pt)
C)addition of HBr (treatment with HBr)
D)acid-catalyzed hydration (treatment with aqueous H<sub>2</sub>SO<sub>4</sub>)
Q2) Br<sub>2 </sub>in CCl<sub>4</sub> can be used to distinguish cyclohexene from cyclohexane.
A)True
B)False
Q3) The products obtained by the acid-catalyzed hydration of 1-methylcyclohexene and methylenecyclohexene are identical.
A)True
B)False
Q4) Which of the following concepts explains Markovnikov's rule as applied to the addition of HBr to propene?
A)the relative stability of carbocations
B)the nucleophilicity of bromide anion
C)the acidity of HBr
D)the aufbau principle
To view all questions and flashcards with answers, click on the resource link above. Page 8
Chapter 7: Alkynes
Available Study Resources on Quizplus for this Chatper
100 Verified Questions
100 Flashcards
Source URL: https://quizplus.com/quiz/65335
Sample Questions
Q1) What is the IUPAC name of the following compound?
(CH<sub>3</sub>)<sub>2</sub>CHCH<sub>2</sub>-C\(\equiv\)CH(CH<sub>3</sub>)< sub>2</sub>
A)2,6-dimethyl-3-heptyne
B)2,6-dimethyl-4-heptyne
C)1,1,5,5-tetramethyl-2-pentyne
D)4-nonyne
Q2) Which of the following reagents react with 2-butyne to form butane
A)H<sub>2</sub>/Lindlar catalyst
B)H<sub>2</sub>/Pd
C)(sia)<sub>2</sub>BH followed by CH<sub>3</sub>COOH D)Na/NH<sub>3</sub>
Q3) What type of intermediate is formed in the Hg<sup>2</sup><sup>+</sup> catalyzed hydration of an alkyne??
A)an alcohol
B)an enol
C)a 1,2-diene
D)an epoxide
Q4) Consider an unknown with the molecular formula C<sub>4</sub>H<sub>6</sub>.
The number of possible alkyne isomers is _____.
To view all questions and flashcards with answers, click on the resource link above. Page 9
Chapter 8: Haloalkanes, Halogenation, and Radical Reactions
Available Study Resources on Quizplus for this Chatper
76 Verified Questions
76 Flashcards
Source URL: https://quizplus.com/quiz/65336
Sample Questions
Q1) Which of the following statements is not true about the allyl radical
A)The carbon-carbon bond lengths are identical.
B)The unpaired electron density is shared between carbons 1 and 2.
C)It undergoes reaction with bromine to give a single product.
D)It is formed by abstraction of a hydrogen atom from the methyl group of propene.
Q2) Which of the following has the list of compounds in the correct order of decreasing density (higher density > lower density)?
A)CH<sub>2</sub>Cl<sub>2</sub> > CH<sub>2</sub>Br<sub>2</sub> >
CH<sub>2</sub>I<sub>2</sub>
B)CH<sub>2</sub>Cl<sub>2</sub> > CH<sub>2</sub>I<sub>2</sub> >
CH<sub>2</sub>Br<sub>2</sub>
C)CH<sub>2</sub>I<sub>2</sub> > CH<sub>2</sub>Br<sub>2</sub> > CH<sub>2</sub>Cl<sub>2</sub>
D)CH<sub>2</sub>I<sub>2</sub> > CH<sub>2</sub>Cl<sub>2</sub> > CH<sub>2</sub>Br<sub>2</sub>
Q3) During bromination using NBS, the addition product is not observed because the rate of addition is _______than the rate of the chain propagation steps.
To view all questions and flashcards with answers, click on the resource link above.
Page 10
Chapter 9: Nucleophilic Substitution and Beta-Elimination
Available Study Resources on Quizplus for this Chatper
111 Verified Questions
111 Flashcards
Source URL: https://quizplus.com/quiz/65337
Sample Questions
Q1) Which of the following statements is true regarding the reaction of tert-butyl bromide with water?
A)the rate is proportional to the concentration of tert-butyl bromide
B)the rate is proportional to the concentration of water
C)the rate is independent of the identity of the solvent
D)the rate of the reaction is independent of the temperature
Q2) Which of the following is best set of conditions for the preparation of tert-butanol?
A)tert-butyl fluoride in water
B)tert-butyl bromide in water
C)tert-butyl fluoride and NaOH in DMSO
D)tert-butyl bromide and NaOH in DMSO
Q3) Which of the following anions is the most nucleophilic in polar protic solvents?
A)F<sup>-</sup>
B)Cl<sup>-</sup>
C)Br<sup>-</sup>
D)I<sup>-</sup>
Q4) Compound B by is formed by an _____ mechanism.
Q5) The mechanism for these reactions is _______.
Q6) The nucleophile is these reactions is________.
To view all questions and flashcards with answers, click on the resource link above. Page 11
Chapter 10: Alcohols
Available Study Resources on Quizplus for this Chatper
98 Verified Questions
98 Flashcards
Source URL: https://quizplus.com/quiz/65338
Sample Questions
Q1) Which of the following alcohols reacts fastest with HBr to give the corresponding alkyl bromide?
A)methanol
B)ethanol
C)2-propanol
D)2-methyl-2-propanol
Q2) What is the major organic product obtained upon heating a mixture of 2-methylcyclopentanol and 85% H<sub>3</sub>PO<sub>4</sub>?
A)1-methylcyclopentene
B)3-methylcyclopentene
C)4-methylcyclopentene
D)methylenecyclopentene
Q3) (CH<sub>3</sub>)<sub>3</sub>CO<sup>- </sup>Na<sup>+ </sup> would be formed by the reaction of sodium metal and 1-butanol.
A)True
B)False
Q4) The mechanism of this reaction would be classified as ______.
Q5) Provide the complete IUPAC name for the starting material in this reaction.
Q6) _______Oxidation of a secondary alcohol to a ketone.
Page 12
To view all questions and flashcards with answers, click on the resource link above.
Chapter 11: Ethers, Epoxides, and Sulfides
Available Study Resources on Quizplus for this Chatper
93 Verified Questions
93 Flashcards
Source URL: https://quizplus.com/quiz/65339
Sample Questions
Q1) What type of mechanism accounts for the cleavage of tert-butyl methyl ether upon treatment with HBr?
A)S<sub>N</sub>1
B)S<sub>N</sub>2
C)E1
D)E2
Q2) Which of the following statements is not true?
A)Crown ethers complex alkali metal ions by donation of lone pairs from the oxygen atoms to the metal cation.
B)Metal ion complexes of crown ethers dissolve in nonpolar aprotic organic solvents
C)Addition of 18-crown-6 to a solution of benzyl bromide and potassium cyanide in a nonpolar solvent increases the rate of nucleophilic substitution.
D)18-Crown-6 is a planar molecule
Q3) A crown ether named 18-crown-6 has a total of carbons and oxygens .
Q4) The name of the product of the reaction is _______________________.
Q5) When cyclopentene is treated with peroxyacetic acid, the product that forms is
Q6) The reaction shown here proceeds by a(n) _______ mechanism.
To view all questions and flashcards with answers, click on the resource link above. Page 13
Chapter 12: Infrared Spectroscopy
Available Study Resources on Quizplus for this Chatper
67 Verified Questions
67 Flashcards
Source URL: https://quizplus.com/quiz/65340
Sample Questions
Q1) he amount of energy in infrared light corresponds to the amount of energy needed to increase certain molecular motions, such as bond vibrations, in organic molecules.
A)True
B)False
Q2) Which of the following regions in the electromagnetic spectrum corresponds to the radiation with the highest energy?
A)radio waves
B)ultraviolet
C)infrared
D)visible
Q3) Cyclohexene and 2-hexyne both have the molecular formula C<sub>6</sub>H<sub>10</sub>. Any of the following regions of an IR spectrum could be used to distinguish these two compounds.
3020-3100 cm<sup>-</sup><sup>1</sup> 2100-2260 cm<sup>-</sup><sup>1</sup> 1650-1670 cm<sup>-</sup><sup>1</sup>
A)True
B)False
To view all questions and flashcards with answers, click on the resource link above.
Chapter 13: Nuclear Magnetic Resonance Spectroscopy
Available Study Resources on Quizplus for this Chatper
102 Verified Questions
102 Flashcards
Source URL: https://quizplus.com/quiz/65341
Sample Questions
Q1) How many sets of equivalent protons are there in 3-methylhexane?
A)2
B)3
C)6
D)7
Q2) What is the splitting of the signal in the <sup>1</sup>H NMR spectrum for the methyl protons of propane?
A)singlet
B)doublet
C)triplet
D)quartet
Q3) The calibration standard for <sup>1</sup>H and <sup>13</sup>C NMR is _____.
A)TMS
B)high-field or upfield side
C)MHz
D)delta (\(\delta\))
E)low-field or downfield side
F)chemical shift
G)intensity
Q4) ______ 1
Page 15
To view all questions and flashcards with answers, click on the resource link above.
Chapter 14: Mass Spectrometry
Available Study Resources on Quizplus for this Chatper
65 Verified Questions
65 Flashcards
Source URL: https://quizplus.com/quiz/65342
Sample Questions
Q1) How many carbon atoms are present in a molecule which gives an M+1 peak that is 5.74% of the intensity of the molecular ion?
A)5
B)6
C)11
D)12
Q2) Which of the following gives rise to a prominent peak in the mass spectrum with m/z of 43?
A)1-hexanol
B)2-hexanol
C)hexanal
D)hexanoic acid
Q3) Which of the following gives rise to a prominent M - 18 peak in the mass spectrum?
A)hexane
B)1-chloropentane
C)1-pentanol
D)3-methylpentane
Q4) The peak at a m/z of _____ represents M<sup>+</sup>.
Q5) The peak at a m/z of _____ represents the base peak.
To view all questions and flashcards with answers, click on the resource link above. Page 16
Chapter 15: An Introduction to Organometallic Compounds
Available Study Resources on Quizplus for this Chatper
66 Verified Questions
66 Flashcards
Source URL: https://quizplus.com/quiz/65343
Sample Questions
Q1) Substance A is termed a ___________reagent.
Q2) Which of the following is the best choice of solvent for the formation of phenyllithium by the reaction of bromobenzene with lithium?
A)water
B)ethanol
C)tetrahydrofuran
D)acetic acid
Q3) What term describes the process whereby an alkyl halide undergoes reaction with magnesium metal to give an alkylmagnesium bromide (Grignard reagent)?
A)nucleophilic substitution
B)electrophilic addition
C)oxidative addition
D)reductive elimination
Q4) Which of the following is not true regarding the carbon atom of the methylene carbene, H<sub>2</sub>C: ?
A)it is sp<sup>2</sup> hybridized
B)it has a complete octet of valence electrons
C)it has a vacant 2p atomic orbital
D)it has a lone pair of electrons in an sp<sup>2</sup> molecular orbital
To view all questions and flashcards with answers, click on the resource link above. Page 17
Chapter 16: Aldehydes and Ketones
Available Study Resources on Quizplus for this Chatper
119 Verified Questions
119 Flashcards
Source URL: https://quizplus.com/quiz/65344
Sample Questions
Q1) Which of the following is not true about the Wittig reaction?
A)triphenylphosphine reacts with 2<sup>\(\circ\)</sup> alkyl bromides by an S<sub>N</sub>2 reaction to give an alkyltriphenylphosphonium bromide
B)alkyltriphenylphosphonium bromides are deprotonated by strong bases to give a phosphonium ylide
C)phosphonium ylids are nucleophilic
D)the product of the Wittig reaction is an alkyne
Q2) Which of the following is a reactive intermediate in the reaction of acetone with bromine in acetic acid to form 1-bromo-2-propanone?
A)carbanion
B)enol
C)enolate
D)radical
Q3) The nucleophile in this reaction is _____.
A)A
B)B
Q4) The product of this reaction is called a(n)___________.
To view all questions and flashcards with answers, click on the resource link above. Page 18
Chapter 17: Carboxylic Acids
Available Study Resources on Quizplus for this Chatper
71 Verified Questions
71 Flashcards
Source URL: https://quizplus.com/quiz/65345
Sample Questions
Q1) Which of the following has the highest boiling point?
A)acetic acid
B)pentanol
C)butanoic acid
D)pentanal
Q2) Ethyl propanoate (CH<sub>3</sub>CH<sub>2</sub>COOCH<sub>2</sub>CH<sub>3</sub>) can be prepared by the reaction of ethanol with ____________ acid.
Q3) Which of the following best describes the key mechanistic steps in the esterification of a carboxylic acid upon treatment with an alcohol in the presence of a strong acid?
A)addition followed by elimination
B)substitution followed by addition
C)elimination followed by addition
D)addition followed by decarboxylation
Q4) When CO<sub>2</sub> is bubbled through an ether solution of benzylmagnesium bromide, and the resulting mixture is acidified, ____________ _____ is produced.
Q5) The benzyl alcohol will be recovered from the _______ layer.
Q6) The 2-hydroxybenzoic acid will be recovered from the _______ layer.
Q7) The 2,3,4,5-tetramethylbenzene will be recovered from the _______ layer.
Page 19
To view all questions and flashcards with answers, click on the resource link above.
Chapter 18: Functional Derivatives of Carboxylic Acids
Available Study Resources on Quizplus for this Chatper
112 Verified Questions
112 Flashcards
Source URL: https://quizplus.com/quiz/65346
Sample Questions
Q1) An anhydride is represented by the structure numbered ____.
Q2) Which of the following is the correct order of decreasing reactivity in hydrolysis reactions (more reactive > less reactive)?
A)esters > amides > acid chlorides
B)amides > acid chlorides > esters
C)acid chlorides > esters > amides
D)esters > acid chlorides > amides
Q3) Both amides and nitriles are acyl derivatives of carboxylic acids.
A)True
B)False
Q4) Which of the following can be made by acid-promoted hydrolysis of a nitrile?
1)an acid
2)an alcohol
3)an imine
4)an imide
A)only 1
B)only 1 and 2
C)only 2 and 3
D)only 4
Q5) The substance that is classified as an anhydride is _____.
Page 20
To view all questions and flashcards with answers, click on the resource link above.
Chapter 19: Enolate Anions and Enamines
Available Study Resources on Quizplus for this Chatper
93 Verified Questions
93 Flashcards
Source URL: https://quizplus.com/quiz/65347
Sample Questions
Q1) Consider the steps in the mechanism for a base catalyzed aldol condensation. The _______ step in the base catalyzed aldol condensation is addition of an enolate to a carbonyl group.
Q2) How many different aldols (\(\beta\)-hydroxyaldehydes), including constitutional isomers and stereoisomers, are formed upon treatment of butanal with base?
A)1
B)2
C)3
D)4
Q3) How many different \(\beta\)-hydroxyaldehydes and \(\beta\)-hydroxyketones, including constitutional isomers and stereoisomers, are formed upon treatment of a mixture of acetone and benzaldehyde with base?
A)1
B)2 C)3
D)4
Q4) A 1,6-diester will produce a five-membered ring via a Dieckmann cyclization.
A)True
B)False
To view all questions and flashcards with answers, click on the resource link above. Page 21
Chapter 20: Dienes, Conjugated Systems, and Pericyclic Reactions
Available Study Resources on Quizplus for this Chatper
69 Verified Questions
69 Flashcards
Source URL: https://quizplus.com/quiz/65348
Sample Questions
Q1) The nucleophile in this reaction is ____.
A)A
B)B
C)C
D)D
Q2) The electrophile in this reaction is ____.
A)A
B)B
C)C
D)D
Q3) Which of 1,3-cyclohexadiene and 1,4-cyclohexadiene has the greatest heat of hydrogenation (i.e., the most exothermic reaction with H<sub>2</sub> in the presence of a catalyst). Provide a brief explanation for your choice ?
Q4) What are the units of \(\varepsilon\) in ultraviolet-visible spectroscopy?
A)M<sup>-</sup><sup>1</sup>.cm<sup>-</sup><sup>1</sup> B)M.cm
C)J.mol<sup>-</sup><sup>1</sup>.M<sup>-</sup><sup>1</sup> D)none, \(\varepsilon\) is a dimensionless quantity
Page 22
To view all questions and flashcards with answers, click on the resource link above.
Chapter 21: Benzene and the Concept of Aromaticity
Available Study Resources on Quizplus for this Chatper
85 Verified Questions
85 Flashcards
Source URL: https://quizplus.com/quiz/65349
Sample Questions
Q1) What is the approximate length of the carbon-carbon bonds in benzene?
A)110 pm
B)121 pm
C)139 pm
D)156 pm
Q2) List all of the requirements of a molecule for it to be considered aromatic.
Q3) Assuming that the sulfur atom is sp<sup>2</sup>-hybridized, there are _____ \(\pi\)-electrons in the sulfathiazole ring.
Q4) This structure contains ____ \(\pi\) electrons.
Q5) What is the hybridization of the oxygen atom of furan?
A)s
B)sp
C)sp<sup>2</sup>
D)sp<sup>3</sup>
Q6) Which orbital contains the lone pair on the nitrogen atom of pyridine?
A)s
B)p
C)sp
D)sp<sup>2</sup>
Q7) If named as an annulene, the name would be [ __ ] annulene.
To view all questions and flashcards with answers, click on the resource link above. Page 23
Chapter 22: Reactions of Benzene and Its Derivatives
Available Study Resources on Quizplus for this Chatper
107 Verified Questions
107 Flashcards
Source URL: https://quizplus.com/quiz/65350
Sample Questions
Q1) Which of the following sets of substituents are all activating groups in electrophilic aromatic substitution reactions?
A)CH<sub>3</sub>, OCH<sub>3</sub>, COCH<sub>3</sub>
B)Cl, CN, NO<sub>2</sub>
C)Cl, NH<sub>2</sub>, CH<sub>3</sub>
D)CH<sub>3</sub>, NH<sub>2</sub>, OCH<sub>3</sub>
Q2) What is the role of AlCl<sub>3</sub> in Friedel Crafts acylations using acid chlorides?
A)Lewis acid
B)electrophile
C)base
D)nucleophile
Q3) Which of the following sets of substituents are all deactivating groups in electrophilic aromatic substitution reactions?
A)Cl, CN, NO<sub>2</sub>
B)Cl, NH<sub>2</sub>, CH<sub>3</sub>
C)CH<sub>3</sub>, OCH<sub>3</sub>, COCH<sub>3</sub>
D)CH<sub>3</sub>, NH<sub>2</sub>, OCH<sub>3</sub>
Q4) The name of product D is ________________________.
To view all questions and flashcards with answers, click on the resource link above. Page 24
Chapter 23: Amines
Available Study Resources on Quizplus for this Chatper
88 Verified Questions
88 Flashcards
Source URL: https://quizplus.com/quiz/65351
Sample Questions
Q1) Substance _____ is pyridine.
Q2) What is the intermediate in the Cope elimination, in which a 3<sup>\(\circ\)</sup> amine is treated with hydrogen peroxide followed by heat?
A)a tetraalkylammonium hydroxide salt
B)an amine oxide
C)a 3<sup>\(\circ\)</sup> carbocation
D)an amide anion
Q3) Which of the following amines can be prepared from an organic bromide reaction with potassium cyanide followed by reduction?
A)1-heptanamine
B)benzylamine
C)2-butanamine
D)tert-butyl amine
Q4) The reaction of a 2<sup>o</sup> amine with nitrous acid gives a nitrosamine.
A)True
B)False
Q5) Substance _____ is aniline.
Q6) Provide a line-bond structure of N-methylaniline.
Q7) Provide a line-bond structure of N,N-dimethylcyclopentanamine.
Page 25
To view all questions and flashcards with answers, click on the resource link above.
Chapter 24: Catalytic Carbon-Carbon Bond Formation
Available Study Resources on Quizplus for this Chatper
77 Verified Questions
77 Flashcards
Source URL: https://quizplus.com/quiz/65352
Sample Questions
Q1) In the Heck reaction, alkenes with large substituent groups are the most reactive.
A)True
B)False
Q2) Which of the following terms describes the mechanism of a Diels-Alder reaction?
A)electrophilic addition
B)nucleophilic addition
C)pericyclic addition
D)conjugate addition
Q3) During oxidative addition, the coordination (number) of the metal ________ by two.
Q4) ______involves an interchange of alkenyl groups.
A)Heck reaction
B)Stille coupling
C)Suzuki coupling
D)Sonogashira coupling
E)Alkene metathesis
Q5) In an alkene metathesis reaction where both alkenyl groups are in the same molecule, the product formed is a _______________.
To view all questions and flashcards with answers, click on the resource link above. Page 26
Chapter 25: Carbohydrates
Available Study Resources on Quizplus for this Chatper
60 Verified Questions
60 Flashcards
Source URL: https://quizplus.com/quiz/65353
Sample Questions
Q1) Structure ____ represents a aldopentose.
Q2) Which of the following is an alditol?
A)glucose
B)fructose
C)glucaric acid
D)mannitol
Q3) The anomer of ribose is drawn is _______. (alpha or beta)
Q4) The structures that represent reducing sugars are:
a. only the ketoses.
b. only the aldoses.
c. all of these structures.
Q5) A 1,4-\(\alpha\)-linkage between two glucose units produces a disaccharide called maltose.
A)True
B)False
Q6) Starch, cellulose, and surcrose are all classified as polysaccharides.
A)True
B)False
Q7) Structure ____ represents a ketohexose.
To view all questions and flashcards with answers, click on the resource link above. Page 27
Q8) The correct name for the cyclic structure is__________________________.
Chapter 26: Lipids
Available Study Resources on Quizplus for this Chatper
54 Verified Questions
54 Flashcards
Source URL: https://quizplus.com/quiz/65354
Sample Questions
Q1) Male sex hormones like testosterone are called _____________.
Q2) Female sex hormones like estrone are called _____________.
Q3) Which of the following is a synthetic detergent?
A)sodium 4-dodecylbenzenesulfonate
B)N-(2-hydroxyethyl)dodecanamide
C)sodium perborate dihydrate
D)sodium palmitate
Q4) What functional group of the protein opsin reacts with retinal to form rhodopsin, a light-sensitive pigment?
A)carboxylic acid
B)amide
C)1<sup>\(\circ\)</sup> amine
D)alcohol
Q5) What is the approximate value of pK<sub>a</sub> of a bile acid?
A)-4
B)1
C)5
D)25
Q6) What are the roles of LDL and HDL? Which one is "good" cholesterol, which one is bad"?
Page 28
To view all questions and flashcards with answers, click on the resource link above.
Chapter 27: Amino Acids and Proteins
Available Study Resources on Quizplus for this Chatper
70 Verified Questions
70 Flashcards
Source URL: https://quizplus.com/quiz/65355
Sample Questions
Q1) To what structural feature does the term "quaternary structure" refer?
A)the sequence of amino acids in proteins
B)the overall folding pattern of proteins
C)the aggregation of polypeptides
D)the conformation of local regions of polypeptides
Q2) Which of the following amino acids is not chiral?
A)leucine
B)glycine
C)alanine
D)proline
Q3) Which of the following reagents can be used to cleave a benzyloxycarbonyl protecting group from a peptide?
A)HBr, CH<sub>3</sub>CO<sub>2</sub>H
B)conc. NaOH
C)heat
D)NaCl, H<sub>2</sub>O
Q4) A tetrapeptide contains the amino acids Phe, Ala, Gly, and Leu. Partial hydrolysis produces the dipeptides Phe-Ala, Ala-Gly, and Leu-Phe. The structure of the tetrapeptide is _________________________. Use the three-letter designations for the amino acids separated by dashes (-).
To view all questions and flashcards with answers, click on the resource link above. Page 29
Chapter 28: Nucleic Acids
Available Study Resources on Quizplus for this Chatper
52 Verified Questions
52 Flashcards
Source URL: https://quizplus.com/quiz/65356
Sample Questions
Q1) What sequence is fully complementary to the following sequence?
5'-AGTCAATTC-3'
Q2) Provide the structure of cytidine 5'-monophosphate, a nucleotide consisting of a cytosine base, a ribose and a phosphate group.
Q3) Which of the following is a pyrimidine base?
A)guanine
B)adenine
C)thymine
D)triethylamine
Q4) What is the approximate distance between stacked bases in a double helix of DNA?
A)340 pm
B)800 pm
C)2000 pm
D)3400 pm
Q5) The G-C base pair is the weaker than the A-T base pair as it has two hydrogen bonds whereas the A-T base pair has three.
A)True
B)False
Q6) Provide the structure of adenosine triphosphate, ATP.
To view all questions and flashcards with answers, click on the resource link above.
Chapter 29: Organic Polymer Chemistry
Available Study Resources on Quizplus for this Chatper
60 Verified Questions
60 Flashcards
Source URL: https://quizplus.com/quiz/65357
Sample Questions
Q1) What type of intermediate is formed in the polymerization of isobutylene with BF<sub>3</sub>/H<sub>2</sub>O?
A)carbocation
B)carbanion
C)radical
D)radical anion
Q2) Provide the structure of azoisobutyronitrile, AIBN, and show the mechanism whereby it undergoes thermal decomposition to give two radicals and a molecule of N<sub>2</sub>.
Q3) Provide the mechanism for backbiting of a radical chain end of polyethylene, which results in a butyl side chain on the polymer backbone.
Q4) Provide the structure of poly(ethylene succinate).
Q5) Which of the following relationships is not true?
A)T<sub>g</sub> < T<sub>m</sub>
B)M<sub>w</sub> \(\ge\)M<sub>n</sub>
C)polydispersity index \(\le\) 1
D)M<sub>n</sub> = (average degree of polymerization, n) * (molecular weight of repeat unit)
Q6) Provide the structure of polystyrene.
Page 31
To view all questions and flashcards with answers, click on the resource link above.