Question 1

How could one carry out this synthesis?

Accepted Answer

A)  SOCl2;then NH3;then H3PO2 
B)  CH3Li,ether;then NH3,H2,Ni 
C)  SOCl2;then NH3;then Br2,NaOH 
D)  PCl5;then NH3;then HCl,NaNO2,0-5°C 
E)  PCl5;then CH3NH2;then KMnO4,OH-,heat 
A)  SOCl2;then NH3;then H3PO2 
B)  CH3Li,ether;then NH3,H2,Ni 
C)  SOCl2;then NH3;then Br2,NaOH 
D)  PCl5;then NH3;then HCl,NaNO2,0-5°C 
E)  PCl5;then CH3NH2;then KMnO4,OH-,heat

Question 2

What type of amine is piperidine?

Accepted Answer

A)  Primary 
B)  Secondary 
C)  Tertiary 
D)  Quaternary 
E)  None of these 
A)  Primary 
B)  Secondary 
C)  Tertiary 
D)  Quaternary 
E)  None of these

Question 3

This type of compound is the only one of these which can be converted by reduction into a 1 $\degree$,2 $\degree$or 3 $\degree$ amine,according to its particular structure:

Accepted Answer

A)  Nitrile 
B)  Oxime 
C)  Azide 
D)  Amide 
E)  Nitroalkane 
A)  Nitrile 
B)  Oxime 
C)  Azide 
D)  Amide 
E)  Nitroalkane

Question 4

What final product is likely when cyclohexene is subjected to the following reaction sequence? Give structural details of all significant intermediates.
i)H3O+,H2O;ii)PCC;iii)(CH3)2NH;iv)NaBH3CN

Accepted Answer

Question 5

Which is the best preparation of benzonitrile,C6H5CN,from benzene?

Accepted Answer

A)  HNO3/H2SO4;then Fe/HCl;then HONO,0-5°C;then CuCN 
B)  CH3I,AlCl3;then hot KMnO4;then H3O+;then SOCl2;then NH3;then NaOH + Cl2 
C)  CH3I,AlCl3;then Br2,h$\nu$;then KCN 
D)  Br2,Fe;then KCN 
E)  CH3I,AlCl3;then Br2 (2 eq. ),h$\nu$then hot NaOH;then HCN 
A)  HNO3/H2SO4;then Fe/HCl;then HONO,0-5°C;then CuCN 
B)  CH3I,AlCl3;then hot KMnO4;then H3O+;then SOCl2;then NH3;then NaOH + Cl2 
C)  CH3I,AlCl3;then Br2,h$\nu$;then KCN 
D)  Br2,Fe;then KCN 
E)  CH3I,AlCl3;then Br2 (2 eq. ),h$\nu$then hot NaOH;then HCN

Question 6

Which of the following is a tertiary amine?

Accepted Answer

A)  CH3CH2CH2CH2NH2 
B)  CH3CH2NHCH2CH(CH3)2 
C)  (CH3CH2)2NCH2CH(CH3)2 
D)  (CH3CH2)4N+ OH- 
E)  (CH3CH2)3CNH2 
A)  CH3CH2CH2CH2NH2 
B)  CH3CH2NHCH2CH(CH3)2 
C)  (CH3CH2)2NCH2CH(CH3)2 
D)  (CH3CH2)4N+ OH- 
E)  (CH3CH2)3CNH2

Question 7

What is the final product of the reaction sequence:

Accepted Answer

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

Question 8

What final product is likely when cyclohexene is subjected to the following reaction sequence? Give structural details of all significant intermediates.
i)H3O+,H2O;ii)PCC;iii)morpholine;iv)NaBH3CN

Accepted Answer

Question 9

What would be the product of the following reaction sequence?

Accepted Answer

A)  p-bromobenzamide 
B)  p-bromobenzaldehyde oxime 
C)  p-bromobenzenesulfonamide 
D)  p-bromoaniline 
E)  4-bromo-3-chlorobenzoic acid 
A)  p-bromobenzamide 
B)  p-bromobenzaldehyde oxime 
C)  p-bromobenzenesulfonamide 
D)  p-bromoaniline 
E)  4-bromo-3-chlorobenzoic acid

Question 10

While primary amines react with nitrous acid to generate diazonium salts,secondary amines react with nitrous acid to produce _____________.

Accepted Answer

The answer of While primary amines react with nitrous acid...

Question 11

Which of the following can be used to prepare 2-aminopentane (pure)?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  I and II 
E)  II and III 
A)  I 
B)  II 
C)  III 
D)  I and II 
E)  II and III

Question 12

What would be the product of the following reaction sequence?

Accepted Answer

A)  p-bromobenzamide 
B)  p-bromobenzaldehyde oxime 
C)  p-bromobenzenesulfonamide 
D)  p-bromoaniline 
E)  4-bromo-3-chlorobenzoic acid 
A)  p-bromobenzamide 
B)  p-bromobenzaldehyde oxime 
C)  p-bromobenzenesulfonamide 
D)  p-bromoaniline 
E)  4-bromo-3-chlorobenzoic acid

Question 13

What compound is likely to be obtained via 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 14

Which is a correct IUPAC name for the following substance?

Accepted Answer

A)  N-Ethylhexanamine 
B)  N-Ethylcyclohexanamine 
C)  N-Cyclohexylethanamine 
D)  N-Ethylcyclopentanamine 
E)  N-Ethylaniline 
A)  N-Ethylhexanamine 
B)  N-Ethylcyclohexanamine 
C)  N-Cyclohexylethanamine 
D)  N-Ethylcyclopentanamine 
E)  N-Ethylaniline

Question 15

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 16

What compound is likely to be obtained via 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 17

Which of these alkyl halides cannot be used effectively in a Gabriel amine synthesis?

Accepted Answer

A)  1-bromopentane 
B)  1-bromo-3-methylbutane 
C)  2-bromo-3-methylpentane 
D)  1-bromo-2,3-dimethylbutane 
E)  2-bromo-2,3-dimethylbutane 
A)  1-bromopentane 
B)  1-bromo-3-methylbutane 
C)  2-bromo-3-methylpentane 
D)  1-bromo-2,3-dimethylbutane 
E)  2-bromo-2,3-dimethylbutane

Question 18

Compound W has the molecular formula C11H17N.Treatment of W with benzenesulfonyl chloride in base gives no reaction.Acidification of the resulting mixture gives a clear solution.The 1H NMR spectrum of W consists of: triplet,
 $\delta$  1.0
Quartet,
 $\delta$  2.5
Singlet,
 $\delta$  3.6 (2H)
Multiplet,
 $\delta$  7.3 (5H)
The most likely structure for W is:

Accepted Answer

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

Question 19

What is the principal product when p-toluidine is treated with sodium nitrite and hydrochloric acid at 0-5$\degree$C and this mixture is added to o-ethylphenol?

Accepted Answer

The answer of What is the principal product when p-toluidine...

Question 20

Identify the compound (Z)formed when aniline is subjected to the following series of reactions: i. )NaNO2,H2SO4,dil.H2SO4 0-5oC;ii. )Cu2O,Cu(NO3)2 ,H2O

Accepted Answer

A)  C6H5NH2 
B)  C6H5Cl 
C)  C6H5OH 
D)  C6H6 
E)  None of these 
A)  C6H5NH2 
B)  C6H5Cl 
C)  C6H5OH 
D)  C6H6 
E)  None of these

Exam 20: Amines

How could one carry out this synthesis?

What type of amine is piperidine?

This type of compound is the only one of these which can be converted by reduction into a 1 °\degree° ,2 °\degree° or 3 °\degree° amine,according to its particular structure:

What final product is likely when cyclohexene is subjected to the following reaction sequence? Give structural details of all significant intermediates. i)H3O+,H2O;ii)PCC;iii)(CH3)2NH;iv)NaBH3CN

Which is the best preparation of benzonitrile,C6H5CN,from benzene?

Which of the following is a tertiary amine?

What is the final product of the reaction sequence:

What final product is likely when cyclohexene is subjected to the following reaction sequence? Give structural details of all significant intermediates. i)H3O+,H2O;ii)PCC;iii)morpholine;iv)NaBH3CN

What would be the product of the following reaction sequence?

While primary amines react with nitrous acid to generate diazonium salts,secondary amines react with nitrous acid to produce _____________.

Which of the following can be used to prepare 2-aminopentane (pure)?

What would be the product of the following reaction sequence?

What compound is likely to be obtained via the following reaction sequence?

Which is a correct IUPAC name for the following substance?

What is the final product of the reaction sequence:

What compound is likely to be obtained via the following reaction sequence?

Which of these alkyl halides cannot be used effectively in a Gabriel amine synthesis?

What is the principal product when p-toluidine is treated with sodium nitrite and hydrochloric acid at 0-5 °\degree° C and this mixture is added to o-ethylphenol?

Identify the compound (Z)formed when aniline is subjected to the following series of reactions: i. )NaNO2,H2SO4,dil.H2SO4 0-5oC;ii. )Cu2O,Cu(NO3)2 ,H2O

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

Filters

This type of compound is the only one of these which can be converted by reduction into a 1 $\degree$ ,2 $\degree$ or 3 $\degree$ amine,according to its particular structure:

What final product is likely when cyclohexene is subjected to the following reaction sequence? Give structural details of all significant intermediates. i)H₃O⁺,H₂O;ii)PCC;iii)(CH₃)₂NH;iv)NaBH₃CN

Which is the best preparation of benzonitrile,C₆H₅CN,from benzene?

What final product is likely when cyclohexene is subjected to the following reaction sequence? Give structural details of all significant intermediates. i)H₃O⁺,H₂O;ii)PCC;iii)morpholine;iv)NaBH₃CN

What is the principal product when p-toluidine is treated with sodium nitrite and hydrochloric acid at 0-5 $\degree$ C and this mixture is added to o-ethylphenol?

Identify the compound (Z)formed when aniline is subjected to the following series of reactions: i. )NaNO₂,H₂SO₄,dil.H₂SO₄ 0-5^oC;ii. )Cu₂O,Cu(NO₃)₂ ,H₂O