Question 1

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

Accepted Answer

A) acyl chloride,RC(=O)Cl,and aluminum hydroxide,Al(OH)3 
B) acyl fluoride,RC(=O)F,and aluminum fluoride,AlF3 
C) alkyl chloride,RCH2Cl,and aluminum chloride,AlCl3 
D) acyl chloride,RC(=O)Cl,and aluminum oxide,Al2O3 
E) acyl chloride,RC(=O)Cl,and aluminum chloride,AlCl3 
A) acyl chloride,RC(=O)Cl,and aluminum hydroxide,Al(OH)3 
B) acyl fluoride,RC(=O)F,and aluminum fluoride,AlF3 
C) alkyl chloride,RCH2Cl,and aluminum chloride,AlCl3 
D) acyl chloride,RC(=O)Cl,and aluminum oxide,Al2O3 
E) acyl chloride,RC(=O)Cl,and aluminum chloride,AlCl3

Question 2

Draw a clear mechanism for SN2 substitution reactions.Make sure to indicate each step of the mechanism (if there is more than one)as well as to use arrows to show the electron flow.

Accepted Answer

The S2 substitution reaction involves th

Question 3

To prepare nitrobenzene (C6H5NO2)from benzene (C6H6),two strong mineral acids are required.Which ones?

Accepted Answer

A) HNO3 and H2SO4 
B) HNO3 and H2SO3 
C) HNO3 and H2S 
D) HNO2 and H2SO4 
E) HNO3 and H2S2O7 
A) HNO3 and H2SO4 
B) HNO3 and H2SO3 
C) HNO3 and H2S 
D) HNO2 and H2SO4 
E) HNO3 and H2S2O7

Question 4

Identify reagents A and B required for the following transformation of acyl groups:

Accepted Answer

A) A = (COCl)2; B = C2H5CHO 
B) A = (COCl)2; B = C2H5COOH 
C) A = HCl; B = C2H5COOH 
D) A = (COCl)2; B = C2H5-CH2OH 
E) A = HCl; B = C2H5CHO 
A) A = (COCl)2; B = C2H5CHO 
B) A = (COCl)2; B = C2H5COOH 
C) A = HCl; B = C2H5COOH 
D) A = (COCl)2; B = C2H5-CH2OH 
E) A = HCl; B = C2H5CHO

Question 5

Find the suitable reagent for the transformation:

Accepted Answer

A) NaBH4 
B) LiAlH4 
C) Pd/H2 
D) NaH 
E) Pd/C 
A) NaBH4 
B) LiAlH4 
C) Pd/H2 
D) NaH 
E) Pd/C

Question 6

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

Accepted Answer

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

Question 7

Give the organic product for the following reaction. CH3CH2CH2NH2 + HCl

Accepted Answer

A) ClCH2CH2CH2NH2 
B) CH3CHClCH2NH2 
C) CH3CH2CHClNH2 
D) CH3CH2CH2NHCl 
E) CH3CH2CH2NH3+Cl- 
A) ClCH2CH2CH2NH2 
B) CH3CHClCH2NH2 
C) CH3CH2CHClNH2 
D) CH3CH2CH2NHCl 
E) CH3CH2CH2NH3+Cl-

Question 8

Identify the major product in the following reaction:   $\frac { \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { ONa } } { \mathrm { H } _ { \text {eat } } }$

Accepted Answer

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

Question 9

Which of the following statements is TRUE?

Accepted Answer

A) Addition is the predominant reaction observed in acyl compounds. 
B) Acyl chlorides are the least reactive of all acyl compounds,while amides are the most. 
C) Fischer esterification is the reaction between carboxylic acids with alcohols to produce esters. 
D) Fischer esterification is catalyzed by a strong base. 
E) Transesterification is a reaction in which an ester group is transferred from one organic group to another. 
A) Addition is the predominant reaction observed in acyl compounds. 
B) Acyl chlorides are the least reactive of all acyl compounds,while amides are the most. 
C) Fischer esterification is the reaction between carboxylic acids with alcohols to produce esters. 
D) Fischer esterification is catalyzed by a strong base. 
E) Transesterification is a reaction in which an ester group is transferred from one organic group to another.

Question 10

Predict the products of the following reaction: 
C5H11COOH + (COCl)2 →

Accepted Answer

A) C5H11Cl + HCl + CO + 2CO2 
B) C5H11COCl + H2O+ COCl + CO2 
C) C5H11COCl2 + 2H2CO3 
D) C5H11COCl + HCl + CO + CO2 
E) C5H11COCl + HCl + (CO)2 
A) C5H11Cl + HCl + CO + 2CO2 
B) C5H11COCl + H2O+ COCl + CO2 
C) C5H11COCl2 + 2H2CO3 
D) C5H11COCl + HCl + CO + CO2 
E) C5H11COCl + HCl + (CO)2

Question 11

What are the correct products of the following reaction performed in the presence of an acid? C3H7COOH + C2H5OH →

Accepted Answer

A) C3H7COOC2H5 + H2O 
B) C3H7COC2H5 + H2O + 1/2O2 
C) C3H7C(OH)OC2H5 + H3O+ 
D) C3H7OH + HOOCC2H5 + H3O+ 
E) C3H7C(=O)-O-O-C2H5 + H2O 
A) C3H7COOC2H5 + H2O 
B) C3H7COC2H5 + H2O + 1/2O2 
C) C3H7C(OH)OC2H5 + H3O+ 
D) C3H7OH + HOOCC2H5 + H3O+ 
E) C3H7C(=O)-O-O-C2H5 + H2O

Question 12

What is the product obtained from the reaction between a ketone and a primary alcohol?

Accepted Answer

A) a secondary alcohol 
B) a tertiary alcohol 
C) a hemiacetal 
D) a hemiketal 
E) a carboxylic acid 
A) a secondary alcohol 
B) a tertiary alcohol 
C) a hemiacetal 
D) a hemiketal 
E) a carboxylic acid

Question 13

Which of the following is the product of the following reaction?

Accepted Answer

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

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

Draw a clear mechanism for S_N2 substitution reactions.Make sure to indicate each step of the mechanism (if there is more than one)as well as to use arrows to show the electron flow.

To prepare nitrobenzene (C₆H₅NO₂)from benzene (C₆H₆),two strong mineral acids are required.Which ones?

Identify reagents A and B required for the following transformation of acyl groups:

Find the suitable reagent for the transformation:

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

Give the organic product for the following reaction. CH₃CH₂CH₂NH₂ + HCl

Which of the following statements is TRUE?

Predict the products of the following reaction: C₅H₁₁COOH + (COCl)₂ →

What are the correct products of the following reaction performed in the presence of an acid? C₃H₇COOH + C₂H₅OH →

What is the product obtained from the reaction between a ketone and a primary alcohol?

Which of the following is the product 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

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Exam 21: Organic Chemistry II: Reactions

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

Draw a clear mechanism for SN2 substitution reactions.Make sure to indicate each step of the mechanism (if there is more than one)as well as to use arrows to show the electron flow.

To prepare nitrobenzene (C6H5NO2)from benzene (C6H6),two strong mineral acids are required.Which ones?

Identify reagents A and B required for the following transformation of acyl groups:

Find the suitable reagent for the transformation:

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

Give the organic product for the following reaction. CH3CH2CH2NH2 + HCl

Identify the major product in the following reaction: CH3CH2ONaHeat \frac { \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { ONa } } { \mathrm { H } _ { \text {eat } } }Heat ​CH3​CH2​ONa​

Which of the following statements is TRUE?

Predict the products of the following reaction: C5H11COOH + (COCl)2 →

What are the correct products of the following reaction performed in the presence of an acid? C3H7COOH + C2H5OH →

What is the product obtained from the reaction between a ketone and a primary alcohol?

Which of the following is the product 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

Draw a clear mechanism for S_N2 substitution reactions.Make sure to indicate each step of the mechanism (if there is more than one)as well as to use arrows to show the electron flow.

To prepare nitrobenzene (C₆H₅NO₂)from benzene (C₆H₆),two strong mineral acids are required.Which ones?

Give the organic product for the following reaction. CH₃CH₂CH₂NH₂ + HCl

Predict the products of the following reaction: C₅H₁₁COOH + (COCl)₂ →

What are the correct products of the following reaction performed in the presence of an acid? C₃H₇COOH + C₂H₅OH →