Question 1

Which of the following is not a step-growth polymer?

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 2

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)  Either the acid or base is a true catalyst of the hydrolysis reaction. 
B)  Neither the acid nor the base is a true catalyst of the reaction. 
C)  The acid is a true catalyst, but the base is a reagent and must be present in the appropriate stoichiometric amount. 
D)  The base is a true catalyst, but the acid is a reagent and must be present in the appropriate stoichiometric amount. 
A)  Either the acid or base is a true catalyst of the hydrolysis reaction. 
B)  Neither the acid nor the base is a true catalyst of the reaction. 
C)  The acid is a true catalyst, but the base is a reagent and must be present in the appropriate stoichiometric amount. 
D)  The base is a true catalyst, but the acid is a reagent and must be present in the appropriate stoichiometric amount.

Question 3

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

Question 4

Which of the following is commonly used as the catalyst in a Fischer esterification?

Accepted Answer

A)  acetic acid 
B)  dilute hydrochloric acid 
C)  dilute sulfuric acid 
D)  concentrated sulfuric acid 
A)  acetic acid 
B)  dilute hydrochloric acid 
C)  dilute sulfuric acid 
D)  concentrated sulfuric acid

Question 5

Which of the following is formed when an amide reacts with an amine?

Accepted Answer

A)  a less highly substituted amide 
B)  a more highly substituted amide 
C)  an imide 
D)  Nothing, amides do not react with amines. 
A)  a less highly substituted amide 
B)  a more highly substituted amide 
C)  an imide 
D)  Nothing, amides do not react with amines.

Question 6

If the alcohol and acid which react to form an ester are part of the same molecule, the cyclic ester which is formed belongs to which class of compounds?

Accepted Answer

A)  lactams 
B)  lactanes 
C)  lactones 
D)  Esters, there is no special name for these compounds. 
A)  lactams 
B)  lactanes 
C)  lactones 
D)  Esters, there is no special name for these compounds.

Question 7

Cyclic amides are called which of the following?

Accepted Answer

A)  lactams 
B)  lactanes 
C)  lactines 
D)  lactones 
A)  lactams 
B)  lactanes 
C)  lactines 
D)  lactones

Question 8

Kevlar is formed by the reaction between which of the following?

Accepted Answer

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

Question 9

Which of the following are the products of the hydrolysis of an amide in acidic solution?

Accepted Answer

A)  a carboxylic acid and an ammonium salt 
B)  a carboxylic acid and an amine 
C)  a carboxylate salt and an ammonium salt 
D)  a carboxylate salt and an amine 
A)  a carboxylic acid and an ammonium salt 
B)  a carboxylic acid and an amine 
C)  a carboxylate salt and an ammonium salt 
D)  a carboxylate salt and an amine

Question 10

Which of the following compounds are phosphoric anhydrides?

Accepted Answer

A)  (i) and (ii) only 
B)  (ii) and (iii) only 
C)  (i) and (iii) only 
D)  (i), (ii) and (iii) 
A)  (i) and (ii) only 
B)  (ii) and (iii) only 
C)  (i) and (iii) only 
D)  (i), (ii) and (iii)

Question 11

Which of the following is true when comparing the hydrolysis of esters in acidic solution with the hydrolysis of esters 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 acidic 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 acidic 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 12

Which of the following is formed by the reaction of formic anhydride with ammonia?

Accepted Answer

A)  formamide 
B)  N-methylformamide 
C)  N,N-dimethylformamide 
D)  a mixture of two or more of these compounds 
A)  formamide 
B)  N-methylformamide 
C)  N,N-dimethylformamide 
D)  a mixture of two or more of these compounds

Question 13

In which year were the penicillins first discovered by Alexander Fleming?

Accepted Answer

A)  1900 
B)  1914 
C)  1928 
D)  1943 
A)  1900 
B)  1914 
C)  1928 
D)  1943

Question 14

Given the three compounds (i)
Acetic acid
(ii)
2-hydroxyethanal
(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 15

Phosphoric acid, H3PO4, can form which types of phosphoric esters?

Accepted Answer

A)  monoesters 
B)  diesters 
C)  triesters 
D)  all of these 
A)  monoesters 
B)  diesters 
C)  triesters 
D)  all of these

Question 16

Given the three compounds (i)
Acetic acid
(ii)
Ethyl formate
(iii)
Hydroxypropanone
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 17

What is the IUPAC name for the following compound?

Accepted Answer

A)  ethylpropanamide 
B)  N-ethylpropanamide 
C)  N-ethylethanamide 
D)  pentanamide 
A)  ethylpropanamide 
B)  N-ethylpropanamide 
C)  N-ethylethanamide 
D)  pentanamide

Exam 19: Carboxylic Anhydrides, Esters, and Amides

Which of the following is not a step-growth polymer?

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

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 of the following is commonly used as the catalyst in a Fischer esterification?

Which of the following is formed when an amide reacts with an amine?

If the alcohol and acid which react to form an ester are part of the same molecule, the cyclic ester which is formed belongs to which class of compounds?

Cyclic amides are called which of the following?

Kevlar is formed by the reaction between which of the following?

Which of the following are the products of the hydrolysis of an amide in acidic solution?

Which of the following compounds are phosphoric anhydrides?

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

Which of the following is formed by the reaction of formic anhydride with ammonia?

In which year were the penicillins first discovered by Alexander Fleming?

Given the three compounds (i) Acetic acid (ii) 2-hydroxyethanal (iii) Methyl formate Which are constitutional isomers of one another?

Phosphoric acid, H3PO4, can form which types of phosphoric esters?

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

What is the IUPAC name for the following compound?

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Phosphoric acid, H₃PO₄, can form which types of phosphoric esters?