Question 1

What is the major organic product obtained from the following reaction?

Accepted Answer

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

Question 2

Instructions: Give the major organic product(s)of each of the following reaction or sequence of reactions.Show all relevant stereochemistry.
Give major product(s):

Accepted Answer

The answer of Instructions: Give the major organic product(s)of each...

Question 3

The IR spectrum below was obtained for an unknown compound known to be an amine.How would this compound be classified based on the IR spectrum?  
Spectrum obtained from: SDBSWeb : http://riodb01.ibase.aist.go.jp/sdbs/ (National Institute of Advanced Industrial Science and Technology,11-13-08)

Accepted Answer

A) primary amine 
B) secondary amine 
C) tertiary amine 
D) quaternary ammonium salt 
A) primary amine 
B) secondary amine 
C) tertiary amine 
D) quaternary ammonium salt A

Question 4

The pKa of aniline is 6.15.What percent exists in the neutral and protonated forms in a 0.00100 M solution of aniline at pH 5.75?

Accepted Answer

Neutral:71

Question 5

What is the major organic product obtained from the following reaction?

Accepted Answer

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

Question 6

What is the major organic product obtained from the following reaction?

Accepted Answer

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

Question 7

In the following series of compounds,which is the most basic and the least basic? Explain your choices.

Accepted Answer

CH₃CH₂CH₂NH₂ Strongest base becaus

Question 8

Instructions: Give the major organic product(s)of each of the following reaction or sequence of reactions.Show all relevant stereochemistry.
Give major product(s):

Accepted Answer

The answer of Instructions: Give the major organic product(s)of each...

Question 9

Instructions: Refer to the table of pKS1U1B1aS1U1B0s below to answer the following question.
pKS1U1B1aS1U1B0s of Some Arylammonium Ions

-Refer to instructions.Based on the pKas for their corresponding ammonium ions,which arylamine above is the strongest base?

Accepted Answer

Question 10

What is the IUPAC name of the following compound?

Accepted Answer

A) (R)-4-amino-2-methylhexane 
B) (S)-4-amino-2-methylhexane 
C) N-ethyl N-(3-methylpropyl)amine 
D) (R)-3-amino-5-methylhexane 
A) (R)-4-amino-2-methylhexane 
B) (S)-4-amino-2-methylhexane 
C) N-ethyl N-(3-methylpropyl)amine 
D) (R)-3-amino-5-methylhexane

Question 11

Which of the following compounds are primary (1$\circ$)amines?

Accepted Answer

A) 1 and 2 
B) 1 and 3 
C) 1,2 and 3 
D) 1,2,3 and 4 
A) 1 and 2 
B) 1 and 3 
C) 1,2 and 3 
D) 1,2,3 and 4

Question 12

Circle any of the following that would be classified as a heterocyclic amine.

Accepted Answer

The answer of Circle any of the following that would...

Question 13

Consider the reaction below to answer the following questions.
  
a)  What is the major organic procuct obtained from the reaction?
a.  
b.  
c.  
d.

b) How could IR spectroscopy be used to verify the identity of the
product?

Accepted Answer

a) c
b) The product is a prima

Question 14

Circle any of the following compounds,that when used as the starting material and treated as shown below,would produce a single product.

Accepted Answer

The answer of Circle any of the following compounds,that when...

Question 15

Instructions: Give the major organic product(s)of each of the following reaction or sequence of reactions.Show all relevant stereochemistry.
Give major product(s):

Accepted Answer

The answer of Instructions: Give the major organic product(s)of each...

Question 16

Spectral analysis of the following compound included an IR and 1H NMR.Which of the following would be evident in this analysis?

Accepted Answer

A) Lack of defining features in the 1H NMR 
B) Strong singlet in the 1H NMR at about d 2.2 
C) Pair of bands in the IR between 3350 and 3450 cm-1 
D) Single band in the IR between 3350 and 3450 cm-1 
E) Both b and d 
A) Lack of defining features in the 1H NMR 
B) Strong singlet in the 1H NMR at about d 2.2 
C) Pair of bands in the IR between 3350 and 3450 cm-1 
D) Single band in the IR between 3350 and 3450 cm-1 
E) Both b and d

Question 17

Instructions: Consider the reaction below to answer the following question(s).
Methamphetamine can be synthesized by reacting phenyl-2-propanone with methylamine in the presence of H2/Ni.  
Refer to instructions.Intermediate A is an example of:

Accepted Answer

A) an imine 
B) an enamine 
C) an iminium ion 
D) an imide 
A) an imine 
B) an enamine 
C) an iminium ion 
D) an imide

Question 18

Propose a structure that is consistent with the following spectral data:

Accepted Answer

diethylami

Question 19

Instructions: Give the major organic product(s)of each of the following reaction or sequence of reactions.Show all relevant stereochemistry.
Give major product(s):

Accepted Answer

The answer of Instructions: Give the major organic product(s)of each...

Question 20

Instructions: Give the major organic product(s)of each of the following reaction or sequence of reactions.Show all relevant stereochemistry.
Give major product(s):

Accepted Answer

The answer of Instructions: Give the major organic product(s)of each...

Exam 18: Amines and Heterocycles

What is the major organic product obtained from the following reaction?

Instructions: Give the major organic product(s)of each of the following reaction or sequence of reactions.Show all relevant stereochemistry. Give major product(s):

The IR spectrum below was obtained for an unknown compound known to be an amine.How would this compound be classified based on the IR spectrum? Spectrum obtained from: SDBSWeb : http://riodb01.ibase.aist.go.jp/sdbs/ (National Institute of Advanced Industrial Science and Technology,11-13-08)

The pKa of aniline is 6.15.What percent exists in the neutral and protonated forms in a 0.00100 M solution of aniline at pH 5.75?

What is the major organic product obtained from the following reaction?

What is the major organic product obtained from the following reaction?

In the following series of compounds,which is the most basic and the least basic? Explain your choices.

Instructions: Give the major organic product(s)of each of the following reaction or sequence of reactions.Show all relevant stereochemistry. Give major product(s):

Instructions: Refer to the table of pKas below to answer the following question. pKas of Some Arylammonium Ions -Refer to instructions.Based on the pKas for their corresponding ammonium ions,which arylamine above is the strongest base?

What is the IUPAC name of the following compound?

Which of the following compounds are primary (1 ∘\circ∘ )amines?

Circle any of the following that would be classified as a heterocyclic amine.

Consider the reaction below to answer the following questions. a) What is the major organic procuct obtained from the reaction? a. b. c. d. b) How could IR spectroscopy be used to verify the identity of the product?

Circle any of the following compounds,that when used as the starting material and treated as shown below,would produce a single product.

Instructions: Give the major organic product(s)of each of the following reaction or sequence of reactions.Show all relevant stereochemistry. Give major product(s):

Spectral analysis of the following compound included an IR and 1H NMR.Which of the following would be evident in this analysis?

Instructions: Consider the reaction below to answer the following question(s). Methamphetamine can be synthesized by reacting phenyl-2-propanone with methylamine in the presence of H2/Ni. Refer to instructions.Intermediate A is an example of:

Propose a structure that is consistent with the following spectral data:

Instructions: Give the major organic product(s)of each of the following reaction or sequence of reactions.Show all relevant stereochemistry. Give major product(s):

Instructions: Give the major organic product(s)of each of the following reaction or sequence of reactions.Show all relevant stereochemistry. Give major product(s):

Structure and Bonding

Polar Covalent Bonds: Acids and Bases

Organic Compounds: Alkanes and Their Stereochemistry

Organic Compounds: Cycloalkanes and Their Stereochemistry

Stereochemistry at Tetrahedral Centers

An Overview of Organic Reactions

Alkenes and Alkynes

Reactions of Alkenes and Alkynes

Aromatic Compounds

Structure Determination: Mass Spectrometry,infrared Spectroscopy,and Ultraviolet Spectroscopy

Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Organohalides: Nucleophilic Substitutions and Eliminations

Alcohols,phenols,and Thiols: Ethers and Sulfides

Aldehydes and Ketones: Nucleophilic Addition Reactions

Carboxylic Acids and Nitriles

Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions

Carbonyl Alpha-Substitution and Condensation Reactions

Biomolecules: Amino Acids,peptides,and Proteins

Amino Acid Metabolism

Biomolecules: Carbohydrates

Carbohydrate Metabolism

Biomolecules: Lipids and Their Metabolism

Biomolecules: Nucleic Acids and Their Metabolism

Filters

The pK_a of aniline is 6.15.What percent exists in the neutral and protonated forms in a 0.00100 M solution of aniline at pH 5.75?

Instructions: Refer to the table of pK_as below to answer the following question. pK_as of Some Arylammonium Ions -Refer to instructions.Based on the pK_as for their corresponding ammonium ions,which arylamine above is the strongest base?

Which of the following compounds are primary (1^$\circ$)amines? $Which of the following compounds are primary (1<sup> \circ </sup>)amines?$

Spectral analysis of the following compound included an IR and ¹H NMR.Which of the following would be evident in this analysis?

Instructions: Consider the reaction below to answer the following question(s). Methamphetamine can be synthesized by reacting phenyl-2-propanone with methylamine in the presence of H₂/Ni. Refer to instructions.Intermediate A is an example of: