Question 1

Which of these would be predicted to have the largest pKa?

Accepted Answer

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

Question 2

Which reagent would serve as the basis for a simple chemical test that would distinguish between the pair of compounds listed below?

Accepted Answer

A) AgNO3 in H2O 
B) HONO,0-5 °C then $\beta$-naphthol 
C) Dilute NaOH 
D) C6H5SO2Cl and OH- in H2O 
E) Dilute HCl 
A) AgNO3 in H2O 
B) HONO,0-5 °C then $\beta$-naphthol 
C) Dilute NaOH 
D) C6H5SO2Cl and OH- in H2O 
E) Dilute HCl

Question 3

Which is not an intermediate in the Hofmann degradation reaction?

Accepted Answer

A) RN=C=O 
B)    
C)    
D)    
E)    
A) RN=C=O 
B)    
C)    
D)    
E)

Question 4

What is the chief product of the Hofmann elimination reaction applied to the compound shown?

Accepted Answer

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

Question 5

Consider the synthesis below.What is reagent C?

Accepted Answer

A) excess Br2,H2O 
B) Fe,HCl; then OH- 
C) NH2Cl,AlCl3 
D) CuBr 
E) HNO3,H2SO4,Fe 
A) excess Br2,H2O 
B) Fe,HCl; then OH- 
C) NH2Cl,AlCl3 
D) CuBr 
E) HNO3,H2SO4,Fe

Question 6

Which reagent would serve as the basis for a simple chemical test that would distinguish between the pair of compounds listed below?

Accepted Answer

A) AgNO3 in H2O 
B) Dilute NaHCO3 
C) Dilute NaOH 
D) C6H5SO2Cl/OH-,then H3O+ 
E) Dilute HCl 
A) AgNO3 in H2O 
B) Dilute NaHCO3 
C) Dilute NaOH 
D) C6H5SO2Cl/OH-,then H3O+ 
E) Dilute HCl

Question 7

What would be the reactant in the following reaction sequence?

Accepted Answer

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

Which of these would be predicted to have the largest pK_a?

Which reagent would serve as the basis for a simple chemical test that would distinguish between the pair of compounds listed below?

Which is not an intermediate in the Hofmann degradation reaction?

What is the chief product of the Hofmann elimination reaction applied to the compound shown?

Consider the synthesis below.What is reagent C?

Which reagent would serve as the basis for a simple chemical test that would distinguish between the pair of compounds listed below?

What would be the reactant in the following reaction sequence?

The Basics

Families of Carbon

Acids and Bases

Nomenclature and Conformations of Alkanes and Cycloalkanes

Stereochemistry

Nucleophilic Reactions

Alkenes and Alkynes I

Alkenes and Alkynes II

Nuclear Magnetic Resonance and Mass Spectrometry

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

Condensation and Conjugate Addition Reactions of Carbonyl Compounds

Transition Metal Complexes

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

Exam 20: Amines

Which of these would be predicted to have the largest pKa?

Which reagent would serve as the basis for a simple chemical test that would distinguish between the pair of compounds listed below?

Which is not an intermediate in the Hofmann degradation reaction?

What is the chief product of the Hofmann elimination reaction applied to the compound shown?

Consider the synthesis below.What is reagent C?

Which reagent would serve as the basis for a simple chemical test that would distinguish between the pair of compounds listed below?

What would be the reactant in the following reaction sequence?

The Basics

Families of Carbon

Acids and Bases

Nomenclature and Conformations of Alkanes and Cycloalkanes

Stereochemistry

Nucleophilic Reactions

Alkenes and Alkynes I

Alkenes and Alkynes II

Nuclear Magnetic Resonance and Mass Spectrometry

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

Condensation and Conjugate Addition Reactions of Carbonyl Compounds

Transition Metal Complexes

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

Which of these would be predicted to have the largest pK_a?