Question 1

What are the correct products of the following reaction performed in the presence of an acid? C3H7COOCH3 + C2H5OH →

Accepted Answer

A)  C3H7COOC2H5 + CH3OH 
B)  CH3COOC2H5 + C3H7OH 
C)  C3H7COC2H5 + CH3COOH 
D)  C3H7OH + C2H5COOCH3 + H3O+ 
E)  C3H7CH(OCH3)(OC2H5) + H2O 
A)  C3H7COOC2H5 + CH3OH 
B)  CH3COOC2H5 + C3H7OH 
C)  C3H7COC2H5 + CH3COOH 
D)  C3H7OH + C2H5COOCH3 + H3O+ 
E)  C3H7CH(OCH3)(OC2H5) + H2O

Question 2

Write a balanced chemical reaction to represent the combustion of 2,2-dimethylpropane.

Accepted Answer

A)  C5H12 + 8O2 → 5CO2 + 6H2O 
B)  C3H8 + 5O2 → 3CO2 + 4H2O 
C)  C5H12 + H2 → CH4 + 2C2H6 
D)  C3H8 + H2 → CH4 + C2H6 
E)  2C3H8 + O2 → 3CH4 + 2H2O 
A)  C5H12 + 8O2 → 5CO2 + 6H2O 
B)  C3H8 + 5O2 → 3CO2 + 4H2O 
C)  C5H12 + H2 → CH4 + 2C2H6 
D)  C3H8 + H2 → CH4 + C2H6 
E)  2C3H8 + O2 → 3CH4 + 2H2O

Question 3

Which of the following represents the addition polymer formed from the compound below? 
CH2=CH-CH3

Accepted Answer

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

Question 4

What is the product obtained after a reaction between a ketone and Grignard reagent is worked-up with dilute acid?

Accepted Answer

A)  an aldehyde 
B)  a primary alcohol 
C)  a secondary alcohol 
D)  a tertiary alcohol 
E)  a carboxylic acid 
A)  an aldehyde 
B)  a primary alcohol 
C)  a secondary alcohol 
D)  a tertiary alcohol 
E)  a carboxylic acid

Question 5

Find the suitable reagent for the transformation:

Accepted Answer

A)  CrO3, H3O+ 
B)  pyridinium chlorochromate (PC
C)  
C)  K2Cr2O7, H2SO4 
D)  KMnO4, H2SO4 
E)  K2Cr2O7, HNO3 
A)  CrO3, H3O+ 
B)  pyridinium chlorochromate (PC
C)  
C)  K2Cr2O7, H2SO4 
D)  KMnO4, H2SO4 
E)  K2Cr2O7, HNO3

Question 6

Which of the following statements is TRUE?

Accepted Answer

A)  The nucleophile strongly influences both SN1 and SN2 reactions, while the nature of the nucleophile and the substrate structure are only important in SN2 reactions. 
B)  The structure of the substrate is the only important factor for SN1 reactions, while the nucleophile, leaving group, and the structure of the substrate are all important for SN2 reactions. 
C)  For SN2 reactions the only important factor to consider is the leaving group; for SN1 reactions the structure of the substrate and the nature of the nucleophile are the most important factors. 
D)  The nucleophile and leaving group are both important in SN2 reactions, while for the SN1 reactions the leaving group and the structure of the substrate are very significant. 
E)  The nucleophile is not important for SN2 reactions, but the structure of the substrate is very important; for SN1 reactions the opposite is true. 
A)  The nucleophile strongly influences both SN1 and SN2 reactions, while the nature of the nucleophile and the substrate structure are only important in SN2 reactions. 
B)  The structure of the substrate is the only important factor for SN1 reactions, while the nucleophile, leaving group, and the structure of the substrate are all important for SN2 reactions. 
C)  For SN2 reactions the only important factor to consider is the leaving group; for SN1 reactions the structure of the substrate and the nature of the nucleophile are the most important factors. 
D)  The nucleophile and leaving group are both important in SN2 reactions, while for the SN1 reactions the leaving group and the structure of the substrate are very significant. 
E)  The nucleophile is not important for SN2 reactions, but the structure of the substrate is very important; for SN1 reactions the opposite is true.

Question 7

Which of the following five substrates is the most likely to be the substrate in an SN1 reaction?

Accepted Answer

A)  (I) 
B)  (II) 
C)  (III) 
D)  (IV) 
E)  (V) 
A)  (I) 
B)  (II) 
C)  (III) 
D)  (IV) 
E)  (V)

Question 8

Find the suitable reagent for the transformation:

Accepted Answer

A)  CrO3, H3O+ 
B)  pyridinium chlorochromate (PC
C)  
C)  K2Cr2O7, H2SO4 
D)  KMnO4, H2SO4 
E)  K2Cr2O7, HNO3 
A)  CrO3, H3O+ 
B)  pyridinium chlorochromate (PC
C)  
C)  K2Cr2O7, H2SO4 
D)  KMnO4, H2SO4 
E)  K2Cr2O7, HNO3

Question 9

Determine the products of the following reaction:

Accepted Answer

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

Question 10

Which combination of reagents would you use to prepare chlorobenzene (C6H5Cl) from benzene (C6H6)?

Accepted Answer

A)  Cl2 and FeBr3 
B)  HCl and H2SO4 
C)  Cl2 and FeCl3 
D)  HClO and FeCl3 
E)  HCl and HNO3 
A)  Cl2 and FeBr3 
B)  HCl and H2SO4 
C)  Cl2 and FeCl3 
D)  HClO and FeCl3 
E)  HCl and HNO3

Question 11

Which of the following statements is TRUE?

Accepted Answer

A)  Elimination reactions take place with the retention of the absolute configuration. 
B)  The most common substrates in elimination reactions are ketones and amines. 
C)  A dehydration reaction produces an alkane and one equivalent of water. 
D)  The major product in an elimination reaction is the less substituted alkene. 
E)  A dehydrohalogenation reaction requires the presence of a strong base and heat. 
A)  Elimination reactions take place with the retention of the absolute configuration. 
B)  The most common substrates in elimination reactions are ketones and amines. 
C)  A dehydration reaction produces an alkane and one equivalent of water. 
D)  The major product in an elimination reaction is the less substituted alkene. 
E)  A dehydrohalogenation reaction requires the presence of a strong base and heat.

Question 12

Which of the following properties is typical for most polymers?

Accepted Answer

A)  high reactivity 
B)  durability 
C)  softness 
D)  soluble in water 
E)  high toxicity 
A)  high reactivity 
B)  durability 
C)  softness 
D)  soluble in water 
E)  high toxicity

Question 13

What is transesterification?

Accepted Answer

A)  Transesterification is a reaction that increases the oxidation number of carbon in esters. 
B)  An acid-catalyzed conversion of one ester to another is called transesterification. 
C)  Transesterification is a reaction in which the starting ester is transformed into any other organic family. 
D)  An interconversion reaction sequence (carboxylic acid) → (ester) → (carboxylic acid) is called transesterification. 
E)  A reaction that produces more reactive acyl compounds (such as acyl chlorides) from esters is called transesterification. 
A)  Transesterification is a reaction that increases the oxidation number of carbon in esters. 
B)  An acid-catalyzed conversion of one ester to another is called transesterification. 
C)  Transesterification is a reaction in which the starting ester is transformed into any other organic family. 
D)  An interconversion reaction sequence (carboxylic acid) → (ester) → (carboxylic acid) is called transesterification. 
E)  A reaction that produces more reactive acyl compounds (such as acyl chlorides) from esters is called transesterification.

Question 14

Which of the following represents the addition polymer formed from the compound below? 
CH2=CHCl

Accepted Answer

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

Question 15

In which of the following families would the strongest organic acids be found?

Accepted Answer

A)  ethers 
B)  alcohols 
C)  amines 
D)  esters 
E)  alkanes 
A)  ethers 
B)  alcohols 
C)  amines 
D)  esters 
E)  alkanes

Question 16

What is the product for the dehydration of CH3CH2CH2OH?

Accepted Answer

A)  CH3CH2CH2OCH2CH2CH3 
B)  CH3CH=CH2 
C)  CH3CH=CHCH3 
D)  CH3CH2CH=CH2 
E)  CH2=C=CH2 
A)  CH3CH2CH2OCH2CH2CH3 
B)  CH3CH=CH2 
C)  CH3CH=CHCH3 
D)  CH3CH2CH=CH2 
E)  CH2=C=CH2

Question 17

Identify the most oxidized compound.

Accepted Answer

A)  CH3CH2COOH 
B)  CH3CH2CHO 
C)  CH3CH2CH3 
D)  CH3CH2OCH3 
E)  CH3CH2CH2OH 
A)  CH3CH2COOH 
B)  CH3CH2CHO 
C)  CH3CH2CH3 
D)  CH3CH2OCH3 
E)  CH3CH2CH2OH

Question 18

Which combination of reagents is used in the Friedel-Crafts alkylation?

Accepted Answer

A)  alkyl chloride, R-Cl, and aluminum hydroxide, Al(OH)3 
B)  alkyl chloride, R-Cl, and aluminum fluoride, AlF3 
C)  alkyl chloride, R-Cl, and aluminum chloride, AlCl3 
D)  alkyl chloride, R-Cl, and aluminum oxide, Al2O3 
E)  acyl chloride, RC(=O)Cl, and aluminum chloride, AlCl3 
A)  alkyl chloride, R-Cl, and aluminum hydroxide, Al(OH)3 
B)  alkyl chloride, R-Cl, and aluminum fluoride, AlF3 
C)  alkyl chloride, R-Cl, and aluminum chloride, AlCl3 
D)  alkyl chloride, R-Cl, and aluminum oxide, Al2O3 
E)  acyl chloride, RC(=O)Cl, and aluminum chloride, AlCl3

Question 19

What is the product obtained after a reaction between an aldehyde and Grignard reagent is worked-up with dilute acid?

Accepted Answer

A)  a ketone 
B)  a primary alcohol 
C)  a secondary alcohol 
D)  a tertiary alcohol 
E)  a carboxylic acid 
A)  a ketone 
B)  a primary alcohol 
C)  a secondary alcohol 
D)  a tertiary alcohol 
E)  a carboxylic acid

Question 20

Predict the products of the following reaction:

Accepted Answer

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

Exam 21: Organic Chemistry Ii: Reactions

What are the correct products of the following reaction performed in the presence of an acid? C3H7COOCH3 + C2H5OH →

Write a balanced chemical reaction to represent the combustion of 2,2-dimethylpropane.

Which of the following represents the addition polymer formed from the compound below? CH2=CH-CH3

What is the product obtained after a reaction between a ketone and Grignard reagent is worked-up with dilute acid?

Find the suitable reagent for the transformation:

Which of the following statements is TRUE?

Which of the following five substrates is the most likely to be the substrate in an SN1 reaction?

Find the suitable reagent for the transformation:

Determine the products of the following reaction:

Which combination of reagents would you use to prepare chlorobenzene (C6H5Cl) from benzene (C6H6)?

Which of the following statements is TRUE?

Which of the following properties is typical for most polymers?

What is transesterification?

Which of the following represents the addition polymer formed from the compound below? CH2=CHCl

In which of the following families would the strongest organic acids be found?

What is the product for the dehydration of CH3CH2CH2OH?

Identify the most oxidized compound.

Which combination of reagents is used in the Friedel-Crafts alkylation?

What is the product obtained after a reaction between an aldehyde and Grignard reagent is worked-up with dilute acid?

Predict the products of the following reaction:

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

What are the correct products of the following reaction performed in the presence of an acid? C₃H₇COOCH₃ + C₂H₅OH →

Which of the following represents the addition polymer formed from the compound below? CH₂=CH-CH₃

Which of the following five substrates is the most likely to be the substrate in an S_N1 reaction?

Which combination of reagents would you use to prepare chlorobenzene (C₆H₅Cl) from benzene (C₆H₆)?

Which of the following represents the addition polymer formed from the compound below? CH₂=CHCl

What is the product for the dehydration of CH₃CH₂CH₂OH?