Question 1

Which compound would be the strongest acid?

Accepted Answer

A)  CHCl2CH2CH2CO2H 
B)  ClCH2CHClCH2CO2H 
C)  CH3CCl2CH2CO2H 
D)  CH3CHClCHClCO2H 
E)  CH3CH2CCl2CO2H 
A)  CHCl2CH2CH2CO2H 
B)  ClCH2CHClCH2CO2H 
C)  CH3CCl2CH2CO2H 
D)  CH3CHClCHClCO2H 
E)  CH3CH2CCl2CO2H

Question 2

Which of the following would be the strongest acid?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 3

Which of the following acids would have the smallest value for pKa1?

Accepted Answer

A)  HOOCCH2CH2CH2CH2CH2COOH 
B)  HOOCCH2CH2CH2CH2COOH 
C)  HOOCCH2CH2CH2COOH 
D)  HOOCCH2CH2COOH 
E)  HOOCCH2COOH 
A)  HOOCCH2CH2CH2CH2CH2COOH 
B)  HOOCCH2CH2CH2CH2COOH 
C)  HOOCCH2CH2CH2COOH 
D)  HOOCCH2CH2COOH 
E)  HOOCCH2COOH

Question 4

Carbonation of a Grignard reagent or the SN2 displacement of an organic halide with
cyanide ion followed hydrolysis are both good methods for the conversion of organic halides to carboxylic acids of one more carbon atom.For the following reaction,which of these two procedures would be the process of choice and why?

Accepted Answer

S_N2 displacement of the benzylic halide h

Question 5

Alkaline hydrolysis of an ester involves initial attack by hydroxide ion on the carbonyl carbon.The presence of substituents on the aromatic ring of ethyl benzoate may be expected to increase/decrease the rate of hydrolysis of this ester.In what order should the five substituents below be arranged to represent the decreasing order of the rates of hydrolysis when these substituents are present in the para- position of the aromatic ring in ethyl benzoate?

Accepted Answer

A)  -NO2 > -H > -Cl > -CH3 > -OCH3 
B)  -NO2 > -Cl > -H > -CH3 > -OCH3 
C)  -OCH3 > -CH3 > -Cl > -H > -NO2 
D)  -Cl > -NO2 > -H > -OCH3 > -CH3 
E)  -H > -Cl > -CH3 > -OCH3 > -NO2 
A)  -NO2 > -H > -Cl > -CH3 > -OCH3 
B)  -NO2 > -Cl > -H > -CH3 > -OCH3 
C)  -OCH3 > -CH3 > -Cl > -H > -NO2 
D)  -Cl > -NO2 > -H > -OCH3 > -CH3 
E)  -H > -Cl > -CH3 > -OCH3 > -NO2

Question 6

Which of the following will not undergo hydrolysis,whether acid or base is present?

Accepted Answer

A)  CH3COCl 
B)  CH3CONH2 
C)  (CH3CO)2O 
D)  CH3CO2CH2CH3 
E)  CH3COCH2CH2CH3 
A)  CH3COCl 
B)  CH3CONH2 
C)  (CH3CO)2O 
D)  CH3CO2CH2CH3 
E)  CH3COCH2CH2CH3

Question 7

What would be the final organic product of the following reaction?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 8

Predict the major organic product of the reaction sequence,

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 9

What would be the product of the following reaction ?   \

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 10

Which compound would be the weakest acid?

Accepted Answer

A)  CHCl2CH2CH2CO2H 
B)  ClCH2CHClCH2CO2H 
C)  CH3CCl2CH2CO2H 
D)  CH3CHClCHClCO2H 
E)  CH3CH2CCl2CO2H 
A)  CHCl2CH2CH2CO2H 
B)  ClCH2CHClCH2CO2H 
C)  CH3CCl2CH2CO2H 
D)  CH3CHClCHClCO2H 
E)  CH3CH2CCl2CO2H

Question 11

The only carboxylic acid derivative with two carbonyl groups is the ___________.

Accepted Answer

The answer of The only carboxylic acid derivative with two...

Question 12

What would be the final product?

Accepted Answer

A)  CH3CH2CH2NH2  
B)  CH3CH2CONH2 
C)  CH3CH2CONHCOCH2CH3 
D)  CH3CH2CN 
E)  CH3CH2COO-NH4+ 
A)  CH3CH2CH2NH2  
B)  CH3CH2CONH2 
C)  CH3CH2CONHCOCH2CH3 
D)  CH3CH2CN 
E)  CH3CH2COO-NH4+

Question 13

Identify the product(s)of the following reaction.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 14

A compound has the molecular formula C8H14O4.Its IR spectrum shows a strong absorption band near 1740 cm-1.Its 1H NMR spectrum consists of: triplet,
 $\delta$ 1.3
Singlet,
 $\delta$ 2.6
Quartet,
 $\delta$ 4.2
The most likely structure for the compound is:

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 15

Which of the following would yield (S)-2-butanol?

Accepted Answer

A) 
  
B) 
  
C) 
  
D)  All of these 
E)  None of these 
A) 
  
B) 
  
C) 
  
D)  All of these 
E)  None of these

Question 16

Which of the following would be the strongest acid?

Accepted Answer

A)  2,3-Dimethylhexanoic acid 
B)  3,3-Diiodopentanoic acid 
C)  3-Iodo-4-bromopentanoic acid 
D)  3-Chloro-4-bromohexanoic acid 
E)  2-Fluoro-4-bromopentanoic acid 
A)  2,3-Dimethylhexanoic acid 
B)  3,3-Diiodopentanoic acid 
C)  3-Iodo-4-bromopentanoic acid 
D)  3-Chloro-4-bromohexanoic acid 
E)  2-Fluoro-4-bromopentanoic acid

Question 17

Which compound would be most acidic?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E) 
  
A) 
  
B) 
  
C) 
  
D) 
  
E)

Question 18

Which of the following combinations of reagents would not produce an ester?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E) 
  
A) 
  
B) 
  
C) 
  
D) 
  
E)

Question 19

Which of the following would be the strongest acid?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 20

What is the expected product,A,of the following reaction sequence?

Accepted Answer

A)  Benzyl formate 
B)  Phenylacetic acid 
C)  Benzenesulfonic acid 
D)  1-chloro-1-phenyl acetic acid 
E)  Dibenzylketone 
A)  Benzyl formate 
B)  Phenylacetic acid 
C)  Benzenesulfonic acid 
D)  1-chloro-1-phenyl acetic acid 
E)  Dibenzylketone

Exam 17: Aldehydes and Ketones Ii Aldol Reactions

Which compound would be the strongest acid?

Which of the following would be the strongest acid?

Which of the following acids would have the smallest value for pKa1?

Which of the following will not undergo hydrolysis,whether acid or base is present?

What would be the final organic product of the following reaction?

Predict the major organic product of the reaction sequence,

What would be the product of the following reaction ? \

Which compound would be the weakest acid?

The only carboxylic acid derivative with two carbonyl groups is the ___________.

What would be the final product?

Identify the product(s)of the following reaction.

A compound has the molecular formula C8H14O4.Its IR spectrum shows a strong absorption band near 1740 cm-1.Its 1H NMR spectrum consists of: triplet, δ\deltaδ 1.3 Singlet, δ\deltaδ 2.6 Quartet, δ\deltaδ 4.2 The most likely structure for the compound is:

Which of the following would yield (S)-2-butanol?

Which of the following would be the strongest acid?

Which compound would be most acidic?

Which of the following combinations of reagents would not produce an ester?

Which of the following would be the strongest acid?

What is the expected product,A,of the following reaction sequence?

Carbon Compounds and Chemical Bonds

Representative Carbon Compounds: Functional Groups, Intermolecular Forces, and Infrared Ir Spectroscopy

An Introduction to Organic Reactions: Acids and Bases

Alkanes: Nomenclature, Conformational Analysis, and an Introduction to Synthesis

Stereochemistry: Chiral Molecules

Ionic Reactions - Nucleophilic Substitution and Elimination Reactions of Alkyl Halides

Alkenes and Alkynes I: Properties and Synthesis, Elimination Reactions of Alkyl Halides

Alkenes and Alkynes Ii: Addition Reactions

Nuclear Magnetic Resonance and Mass Spectrometry: Tools for Structure Determination

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds Oxidation-Reduction and Organometallic Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones I Nucleophilic Addition to the Carbonyl Group

Carboxylic Acids and Their Derivatives Nucleophilic Addition - Elimination at the Acyl Carbon

Synthesis and Reactions of Beta-Dicarbonyl Compounds: More Chemistry of Enolate Ions

Amines

Phenols and Aryl Halides: Nucleophilic Aromatic Substitution

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

Which of the following acids would have the smallest value for pK_a1?

What would be the product of the following reaction ? $What would be the product of the following reaction ? \$ \