Question 1

Which of the following solutions is most likely to have the highest pH?

Accepted Answer

A) 0.010 M propanol 
B) 0.010 M propanoic acid 
C) 0.010 M propyl amine 
D) 0.010 M phenol 
E) 0.010 M propanethiol 
A) 0.010 M propanol 
B) 0.010 M propanoic acid 
C) 0.010 M propyl amine 
D) 0.010 M phenol 
E) 0.010 M propanethiol C

Question 2

In the formation of a thioester bond, the involved hydrogen atoms:

Accepted Answer

A) are transferred to FAD. 
B) are transferred to NAD+. 
C) remain with the thiol. 
D) remain with the aldehyde. 
A) are transferred to FAD. 
B) are transferred to NAD+. 
C) remain with the thiol. 
D) remain with the aldehyde. B

Question 3

When propanthiol (structure shown below) ionizes in water, a product of the reaction is:
CH3-CH2-CH2-SH

Accepted Answer

A) CH3-CH2-CH2-SH2+ 
B) CH3-CH2-CH2-OH 
C) CH3-CH2-CH2-S- 
D) CH3-CH2-CH2-SOH 
A) CH3-CH2-CH2-SH2+ 
B) CH3-CH2-CH2-OH 
C) CH3-CH2-CH2-S- 
D) CH3-CH2-CH2-SOH C

Question 4

What is the basis for classifying amines as primary, secondary, or tertiary?

Accepted Answer

A) the number of carbon atoms bonded directly to the nitrogen atom 
B) the number of carbon atoms bonded to a carbon bearing nitrogen 
C) the number of nitrogen atoms present 
D) the number of hydrogen atoms present 
A) the number of carbon atoms bonded directly to the nitrogen atom 
B) the number of carbon atoms bonded to a carbon bearing nitrogen 
C) the number of nitrogen atoms present 
D) the number of hydrogen atoms present

Question 5

Consider the structures given below.   Fill in the blanks with appropriate letter (A,B,C,D,E,F).
-Structure ___________________ would exist as a positive ion at pH 4.

Accepted Answer

The answer of Consider the structures given below.  ...

Question 6

Using structural formulas, write the equation for the ionization of p-cresol (show below) in water.

Accepted Answer

The answer of Using structural formulas, write the equation for...

Question 7

The following compound undergoes oxidative decarboxylation using coenzyme A (CoA) as the thiol.   Which of the following is a product of this reaction?

Accepted Answer

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

Question 8

The following compounds are constitutional isomers. Which has the lowest boiling point?

Accepted Answer

A)    
B)    
C)    
D) All boiling points are about the same. 
A)    
B)    
C)    
D) All boiling points are about the same.

Question 9

Consider the structures given below.   Fill in the blanks with appropriate letter (A,B,C,D,E,F).
-Structure__________________ and structure _______________ could react to form ethyldimethylammonium propanoate.

Accepted Answer

The answer of Consider the structures given below.  ...

Question 10

The following illustrates an amine acting as hydrogen bond donor with water.

Accepted Answer

A) True 
 B)False

Question 11

The amine shown below is a tertiary amine.

Accepted Answer

A) True 
 B)False

Question 12

The name of the following alkylammonium salt is:

Accepted Answer

A) propylammonium butanoate 
B) ethylmethylammonium butanoate 
C) ethylmethylbutanoate 
D) methylethylammonium propanoate 
A) propylammonium butanoate 
B) ethylmethylammonium butanoate 
C) ethylmethylbutanoate 
D) methylethylammonium propanoate

Question 13

What is the name of the following substance? 
CH3-NH-CH2−CH2-CH3

Accepted Answer

A) methylpropylamine 
B) propylmethylamine 
C) aminobutane 
D) butanamine 
A) methylpropylamine 
B) propylmethylamine 
C) aminobutane 
D) butanamine

Question 14

The following compound contains a thioester bond.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following solutions is most likely to have the lowest pH?

Accepted Answer

A) 0.010 M propanol 
B) 0.010 M propanoic acid 
C) 0.010 M propyl amine 
D) 0.010 M phenol 
E) 0.010 M propanethiol 
A) 0.010 M propanol 
B) 0.010 M propanoic acid 
C) 0.010 M propyl amine 
D) 0.010 M phenol 
E) 0.010 M propanethiol

Question 16

One of the necessary components for fatty acid synthesis is a complex of malonic acid (shown below) and CoA.   The structure of this complex at physiological pH would be:

Accepted Answer

A) True 
 B)False

Question 17

Consider the structures given below.   Fill in the blanks with appropriate letter (A,B,C,D,E,F).
-Structure __________________ is a secondary amine.

Accepted Answer

The answer of Consider the structures given below.  ...

Question 18

The salt of propanoic acid and the sodium ion would be named as sodium propanoate.

Accepted Answer

A) True 
 B)False

Question 19

Draw the structure of the products of both steps of the oxidative decarboxylation of the following substance in the presence of coenzyme A. Use CoA to represent the portion of the molecule that does not change in the reaction.

Accepted Answer

Step 1: Decarboxylat

Question 20

Which of the following compounds would be the most likely to undergo decarboxylation when simply heated?

Accepted Answer

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

Which of the following solutions is most likely to have the highest pH?

In the formation of a thioester bond, the involved hydrogen atoms:

When propanthiol (structure shown below) ionizes in water, a product of the reaction is: CH₃-CH₂-CH₂-SH

What is the basis for classifying amines as primary, secondary, or tertiary?

Consider the structures given below. Fill in the blanks with appropriate letter (A,B,C,D,E,F). -Structure ___________________ would exist as a positive ion at pH 4.

Using structural formulas, write the equation for the ionization of p-cresol (show below) in water.

The following compound undergoes oxidative decarboxylation using coenzyme A (CoA) as the thiol. Which of the following is a product of this reaction?

The following compounds are constitutional isomers. Which has the lowest boiling point?

Consider the structures given below. Fill in the blanks with appropriate letter (A,B,C,D,E,F). -Structure____ and structure _ could react to form ethyldimethylammonium propanoate.

The following illustrates an amine acting as hydrogen bond donor with water.

The amine shown below is a tertiary amine.

The name of the following alkylammonium salt is:

What is the name of the following substance? CH₃-NH-CH₂−CH₂-CH₃

The following compound contains a thioester bond.

Which of the following solutions is most likely to have the lowest pH?

One of the necessary components for fatty acid synthesis is a complex of malonic acid (shown below) and CoA. The structure of this complex at physiological pH would be:

Consider the structures given below. Fill in the blanks with appropriate letter (A,B,C,D,E,F). -Structure __________________ is a secondary amine.

The salt of propanoic acid and the sodium ion would be named as sodium propanoate.

Draw the structure of the products of both steps of the oxidative decarboxylation of the following substance in the presence of coenzyme A. Use CoA to represent the portion of the molecule that does not change in the reaction.

Which of the following compounds would be the most likely to undergo decarboxylation when simply heated?

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Chemical Bonds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Acids and Bases

Nuclear Chemistry

Hydrocarbons: An Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

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Exam 12: Organic Acids and Bases

Which of the following solutions is most likely to have the highest pH?

In the formation of a thioester bond, the involved hydrogen atoms:

When propanthiol (structure shown below) ionizes in water, a product of the reaction is: CH3-CH2-CH2-SH

What is the basis for classifying amines as primary, secondary, or tertiary?

Consider the structures given below. Fill in the blanks with appropriate letter (A,B,C,D,E,F). -Structure ___________________ would exist as a positive ion at pH 4.

Using structural formulas, write the equation for the ionization of p-cresol (show below) in water.

The following compound undergoes oxidative decarboxylation using coenzyme A (CoA) as the thiol. Which of the following is a product of this reaction?

The following compounds are constitutional isomers. Which has the lowest boiling point?

Consider the structures given below. Fill in the blanks with appropriate letter (A,B,C,D,E,F). -Structure__________________ and structure _______________ could react to form ethyldimethylammonium propanoate.

The following illustrates an amine acting as hydrogen bond donor with water.

The amine shown below is a tertiary amine.

The name of the following alkylammonium salt is:

What is the name of the following substance? CH3-NH-CH2−CH2-CH3

The following compound contains a thioester bond.

Which of the following solutions is most likely to have the lowest pH?

One of the necessary components for fatty acid synthesis is a complex of malonic acid (shown below) and CoA. The structure of this complex at physiological pH would be:

Consider the structures given below. Fill in the blanks with appropriate letter (A,B,C,D,E,F). -Structure __________________ is a secondary amine.

The salt of propanoic acid and the sodium ion would be named as sodium propanoate.

Draw the structure of the products of both steps of the oxidative decarboxylation of the following substance in the presence of coenzyme A. Use CoA to represent the portion of the molecule that does not change in the reaction.

Which of the following compounds would be the most likely to undergo decarboxylation when simply heated?

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Chemical Bonds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Acids and Bases

Nuclear Chemistry

Hydrocarbons: An Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

Filters

When propanthiol (structure shown below) ionizes in water, a product of the reaction is: CH₃-CH₂-CH₂-SH

Consider the structures given below. Fill in the blanks with appropriate letter (A,B,C,D,E,F). -Structure____ and structure _ could react to form ethyldimethylammonium propanoate.

What is the name of the following substance? CH₃-NH-CH₂−CH₂-CH₃