Question 1

Which of the following byproducts is formed when Lexan is synthesized?

Accepted Answer

A)  HCl 
B)  H2O 
C)  CH3OH 
D)  NaCl 
A)  HCl 
B)  H2O 
C)  CH3OH 
D)  NaCl

Question 2

Which of the following is not a form of PET, poly(ethylene terephthalate)?

Accepted Answer

A)  Dacron 
B)  Mylar 
C)  Nylon-66 
D)  None, these are all forms of PET. 
A)  Dacron 
B)  Mylar 
C)  Nylon-66 
D)  None, these are all forms of PET.

Question 3

Ethyl acetate is isomeric with which of the following compounds?

Accepted Answer

A)  methyl propanoate 
B)  propyl formate 
C)  butanoic acid 
D)  all of these 
A)  methyl propanoate 
B)  propyl formate 
C)  butanoic acid 
D)  all of these

Question 4

Natural pyrethrins contain which of the following functional groups?

Accepted Answer

A)  amide 
B)  anhydride 
C)  ester 
D)  none of these 
A)  amide 
B)  anhydride 
C)  ester 
D)  none of these

Question 5

What is the IUPAC name for the following compound?

Accepted Answer

A)  aminopropanoate 
B)  propanamide 
C)  butanoylamine 
D)  butanamide 
A)  aminopropanoate 
B)  propanamide 
C)  butanoylamine 
D)  butanamide

Question 6

Which of the following is true when comparing the hydrolysis of amides in acidic solution with the hydrolysis of amides in basic solution?

Accepted Answer

A)  The reaction is reversible in either an acidic or a basic solution. 
B)  The reaction is irreversible in both acid and basic solutions. 
C)  The reaction is reversible when carried out in acidic solution, but is irreversible when carried out in basic solution. 
D)  The reaction is reversible when carried out in basic solution, but is irreversible when carried out in acidic solution. 
A)  The reaction is reversible in either an acidic or a basic solution. 
B)  The reaction is irreversible in both acid and basic solutions. 
C)  The reaction is reversible when carried out in acidic solution, but is irreversible when carried out in basic solution. 
D)  The reaction is reversible when carried out in basic solution, but is irreversible when carried out in acidic solution.

Question 7

In which decade was the first commercially important synthetic polyamide synthesized?

Accepted Answer

A)  1920s 
B)  1930s 
C)  1940s 
D)  1950s 
A)  1920s 
B)  1930s 
C)  1940s 
D)  1950s

Question 8

Which of the following is an example of a polyamide?

Accepted Answer

A)  Lexan 
B)  nylon-66 
C)  polystyrene 
D)  poly(ethylene terephthalate) 
A)  Lexan 
B)  nylon-66 
C)  polystyrene 
D)  poly(ethylene terephthalate)

Question 9

Which ester is formed by the reaction of CH3COOH and CH3CH2CH2OH?

Accepted Answer

A)  ethyl acetate 
B)  ethyl propanoate 
C)  propyl acetate 
D)  none of these 
A)  ethyl acetate 
B)  ethyl propanoate 
C)  propyl acetate 
D)  none of these

Question 10

Which of the following is the correct name for the first commercially important synthetic polyamide?

Accepted Answer

A)  nylon-6 
B)  nylon-66 
C)  nylon-6,10 
D)  nylon-10,6 
A)  nylon-6 
B)  nylon-66 
C)  nylon-6,10 
D)  nylon-10,6

Question 11

Given the three compounds (i)
Ethyl formate
(ii)
Hydroxyacetone
(iii)
Propanoic acid
Which are constitutional isomers of one another?

Accepted Answer

A)  only (i) and (ii) 
B)  only (i) and (iii) 
C)  only (ii) and (iii) 
D)  They are all constitutional isomers of one another. 
A)  only (i) and (ii) 
B)  only (i) and (iii) 
C)  only (ii) and (iii) 
D)  They are all constitutional isomers of one another.

Question 12

Given the three compounds (i)
Acetic acid
(ii)
Hydroxyacetone
(iii)
Methyl formate
Which are constitutional isomers of one another?

Accepted Answer

A)  only (i) and (ii) 
B)  only (i) and (iii) 
C)  only (ii) and (iii) 
D)  They are all constitutional isomers of one another. 
A)  only (i) and (ii) 
B)  only (i) and (iii) 
C)  only (ii) and (iii) 
D)  They are all constitutional isomers of one another.

Question 13

When an amine reacts with an anhydride to produce an amide, what else is formed?

Accepted Answer

A)  an alcohol 
B)  a carboxylic acid 
C)  water 
D)  No other compound, the amide is the only product. 
A)  an alcohol 
B)  a carboxylic acid 
C)  water 
D)  No other compound, the amide is the only product.

Question 14

Consider the following structure.   In the reaction forming this substance, what was the other product of the reaction?

Accepted Answer

A)  ammonia 
B)  water 
C)  an alcohol 
D)  a salt 
A)  ammonia 
B)  water 
C)  an alcohol 
D)  a salt

Question 15

Aspirin was first synthesized near the end of the 19th century. Chemists in which country first synthesized aspirin?

Accepted Answer

A)  England 
B)  France 
C)  Germany 
D)  the United States 
A)  England 
B)  France 
C)  Germany 
D)  the United States

Question 16

Consider the following structure.   Which of the following is the correct classification of this substance?

Accepted Answer

A)  polyamide 
B)  polyester 
C)  polycarbonate 
D)  None of these is the correct classification of the given substance. 
A)  polyamide 
B)  polyester 
C)  polycarbonate 
D)  None of these is the correct classification of the given substance.

Question 17

Consider the following structure.   What type of functional group is represented by this structure?

Accepted Answer

A)  phosphoric acid 
B)  phosphoric anhydride 
C)  phosphoric ester 
D)  pyrophosphate anion 
A)  phosphoric acid 
B)  phosphoric anhydride 
C)  phosphoric ester 
D)  pyrophosphate anion

Question 18

Which of the following compounds would react together at room temperature to form the following compound?

Accepted Answer

A)  hexanamide and 2-propanol 
B)  hexanoic acid and 2-propanamine 
C)  2-propanamine and hexanoic anhydride 
D)  pentanoic acid and 2-propanamine 
A)  hexanamide and 2-propanol 
B)  hexanoic acid and 2-propanamine 
C)  2-propanamine and hexanoic anhydride 
D)  pentanoic acid and 2-propanamine

Question 19

Which of the following is always a direct product of the hydrolysis of an ester, regardless of whether the reaction is performed under acidic or basic conditions?

Accepted Answer

A)  an aldehyde 
B)  a carboxylic acid 
C)  a salt 
D)  none of these 
A)  an aldehyde 
B)  a carboxylic acid 
C)  a salt 
D)  none of these

Question 20

Which ester is formed by the reaction of CH3CH2COOH and CH3CH2OH?

Accepted Answer

A)  ethyl acetate 
B)  ethyl propanoate 
C)  propyl acetate 
D)  none of these 
A)  ethyl acetate 
B)  ethyl propanoate 
C)  propyl acetate 
D)  none of these

Exam 19: Carboxylic Anhydrides, Esters, and Amides

Which of the following byproducts is formed when Lexan is synthesized?

Which of the following is not a form of PET, poly(ethylene terephthalate)?

Ethyl acetate is isomeric with which of the following compounds?

Natural pyrethrins contain which of the following functional groups?

What is the IUPAC name for the following compound?

Which of the following is true when comparing the hydrolysis of amides in acidic solution with the hydrolysis of amides in basic solution?

In which decade was the first commercially important synthetic polyamide synthesized?

Which of the following is an example of a polyamide?

Which ester is formed by the reaction of CH3COOH and CH3CH2CH2OH?

Which of the following is the correct name for the first commercially important synthetic polyamide?

Given the three compounds (i) Ethyl formate (ii) Hydroxyacetone (iii) Propanoic acid Which are constitutional isomers of one another?

Given the three compounds (i) Acetic acid (ii) Hydroxyacetone (iii) Methyl formate Which are constitutional isomers of one another?

When an amine reacts with an anhydride to produce an amide, what else is formed?

Consider the following structure. In the reaction forming this substance, what was the other product of the reaction?

Aspirin was first synthesized near the end of the 19th century. Chemists in which country first synthesized aspirin?

Consider the following structure. Which of the following is the correct classification of this substance?

Consider the following structure. What type of functional group is represented by this structure?

Which of the following compounds would react together at room temperature to form the following compound?

Which of the following is always a direct product of the hydrolysis of an ester, regardless of whether the reaction is performed under acidic or basic conditions?

Which ester is formed by the reaction of CH3CH2COOH and CH3CH2OH?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes and Alkynes

Benzene and Its Derivatives

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

Filters

Which ester is formed by the reaction of CH₃COOH and CH₃CH₂CH₂OH?

Aspirin was first synthesized near the end of the 19^th century. Chemists in which country first synthesized aspirin?

Which ester is formed by the reaction of CH₃CH₂COOH and CH₃CH₂OH?