Question 1

Which of the following compounds would be the weakest base?

Accepted Answer

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

Question 2

Explain how an enantiomerically pure amine can be used to resolve racemic forms of acidic compounds.

Accepted Answer

The amine reacts with the acid

Question 3

Outline the steps involved in the synthesis of 4-bromo-3-nitro-phenol from 4-bromobenzoic acid

Accepted Answer

i)HNO₃,H₂SO₄ ;ii)SOCl₂;i

Question 4

Propose structures corresponding to each of the molecular formulas given in the following reaction sequence:

Accepted Answer

The answer of Propose structures corresponding to each of the...

Question 5

Consider the synthesis below.What is reagent A?

Accepted Answer

A)  Br2,FeBr3 
B)  Fe,HCl;then OH - 
C)  NH2Cl,AlCl3 
D)  H3PO2 
E)  LiNH2 
A)  Br2,FeBr3 
B)  Fe,HCl;then OH - 
C)  NH2Cl,AlCl3 
D)  H3PO2 
E)  LiNH2

Question 6

Outline the steps involved in the synthesis of 3-chloro-4-fluoroacetophenone from 4-aminoacetophenone.

Accepted Answer

i)Cl₂,FeCl₃;

Question 7

In solution,two factors affect the relative basicity of amines.These factors are: __________________.

Accepted Answer

electron donation by alkyl sub

Question 8

What is the final 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 sequence?

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 is the major product of the following reaction?   2

Accepted Answer

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

Question 11

What would be the product of 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

Question 12

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)  Tollen's test 
B)  Jones reagent 
C)  Hinsberg test 
D)  Iodoform test 
E)  None of these 
A)  Tollen's test 
B)  Jones reagent 
C)  Hinsberg test 
D)  Iodoform test 
E)  None of these

Question 13

Which reagent will distinguish between 2-amino-2,3-dimethylpentane and 1-amino-3-methyl-2-pentene?

Accepted Answer

A)  HONO,0-5°C 
B)  C6H5SO2Cl/OH-,then H3O+ 
C)  NaOH 
D)  HCl 
E)  Br2/CCl4 
A)  HONO,0-5°C 
B)  C6H5SO2Cl/OH-,then H3O+ 
C)  NaOH 
D)  HCl 
E)  Br2/CCl4

Question 14

What is the final 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 15

Azo compounds are usually intensely colored because _________________.

Accepted Answer

the N=N linkage brings two aro

Question 16

Which is the best method to prepare   ?

Accepted Answer

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

Question 17

What would be the product of 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

Question 18

Which of these is 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 19

Arrange the following amines in order of decreasing basicity (most to least)in aqueous solution:

Accepted Answer

A)  IV > II > I > III 
B)  III > II > IV > I 
C)  III > I > II > IV 
D)  II > III > I > IV 
E)  Cannot be determined from information given 
A)  IV > II > I > III 
B)  III > II > IV > I 
C)  III > I > II > IV 
D)  II > III > I > IV 
E)  Cannot be determined from information given

Question 20

Draw the structure corresponding to the following name:
(3S,6R)-6-(2,4-dinitrophenyl)-3-amino-1-heptyne

Accepted Answer

The answer of Draw the structure corresponding to the following...

Exam 20: Amines

Which of the following compounds would be the weakest base?

Explain how an enantiomerically pure amine can be used to resolve racemic forms of acidic compounds.

Outline the steps involved in the synthesis of 4-bromo-3-nitro-phenol from 4-bromobenzoic acid

Propose structures corresponding to each of the molecular formulas given in the following reaction sequence:

Consider the synthesis below.What is reagent A?

Outline the steps involved in the synthesis of 3-chloro-4-fluoroacetophenone from 4-aminoacetophenone.

In solution,two factors affect the relative basicity of amines.These factors are: __________________.

What is the final product of the reaction sequence:

What would be the product of the following reaction sequence?

Which is the major product of the following reaction? 2

What would be the product of the following reaction sequence?

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

Which reagent will distinguish between 2-amino-2,3-dimethylpentane and 1-amino-3-methyl-2-pentene?

What is the final product of the reaction sequence:

Azo compounds are usually intensely colored because _________________.

Which is the best method to prepare ?

What would be the product of the following reaction sequence?

Which of these is the strongest acid?

Arrange the following amines in order of decreasing basicity (most to least)in aqueous solution:

Draw the structure corresponding to the following name: (3S,6R)-6-(2,4-dinitrophenyl)-3-amino-1-heptyne

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

Aldehydes and Ketones Ii Aldol Reactions

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

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

Phenols and Aryl Halides: Nucleophilic Aromatic Substitution

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

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