Question 1

What is the correct classification of the following reaction?

Accepted Answer

A) Reduction reaction 
B) Oxidation reaction 
C) Elimination reaction 
D) Substitution reaction 
A) Reduction reaction 
B) Oxidation reaction 
C) Elimination reaction 
D) Substitution reaction A

Question 2

What is the starting material in the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV D

Question 3

Rank the following alkenes in order of decreasing heat of hydrogenation.

Accepted Answer

A) I > II > III 
B) III > I > II 
C) II > I > III 
D) III > II > I 
A) I > II > III 
B) III > I > II 
C) II > I > III 
D) III > II > I B

Question 4

What is the correct classification of the following reaction?

Accepted Answer

A) Reduction reaction 
B) Oxidation reaction 
C) Elimination reaction 
D) Substitution reaction 
A) Reduction reaction 
B) Oxidation reaction 
C) Elimination reaction 
D) Substitution reaction

Question 5

What is the reagent required to accomplish the following transformation?

Accepted Answer

A) LiA1H4 
B) [1] OsO4; [2] NaHSO3,H2O 
C) RCO3H,H2O/HO- 
D) PCC/CH2Cl2 
A) LiA1H4 
B) [1] OsO4; [2] NaHSO3,H2O 
C) RCO3H,H2O/HO- 
D) PCC/CH2Cl2

Question 6

Which of the following is (are)formed by ozonolysis of the following alkyne?

Accepted Answer

A) Only I and II 
B) Only III and IV 
C) Only I and IV 
D) Only II and III 
A) Only I and II 
B) Only III and IV 
C) Only I and IV 
D) Only II and III

Question 7

What is the starting material in the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 8

What is the reagent required to accomplish the following transformation?

Accepted Answer

A) [1] OsO4; [2] NaHSO3,H2O 
B) KMnO4,H2O/HO- 
C) RCO3H/H2O/HO- 
D) PCC/CH2Cl2 
A) [1] OsO4; [2] NaHSO3,H2O 
B) KMnO4,H2O/HO- 
C) RCO3H/H2O/HO- 
D) PCC/CH2Cl2

Question 9

Rank the following compounds in order of decreasing oxidation level,putting the compound with the highest oxidation level first.

Accepted Answer

A) II > IV > I > III 
B) I > III > IV > II 
C) III > I > II > IV 
D) III > I > IV > II 
A) II > IV > I > III 
B) I > III > IV > II 
C) III > I > II > IV 
D) III > I > IV > II

Question 10

Which of the following statements about oxidation and reduction is not true?

Accepted Answer

A) The conversion of an alkyne to an alkene is reduction. 
B) The conversion of an alkene to an alkane is reduction. 
C) Oxidation results in a decrease in the number of C-H bonds. 
D) Reduction results in an increase in the number of C-Z bonds. 
A) The conversion of an alkyne to an alkene is reduction. 
B) The conversion of an alkene to an alkane is reduction. 
C) Oxidation results in a decrease in the number of C-H bonds. 
D) Reduction results in an increase in the number of C-Z bonds.

Question 11

What reagents are necessary to perform the following reaction?

Accepted Answer

A) PCC 
B) K2Cr2O7,H2SO4,H2O 
C) LiAlH4,H2O 
D) Na,NH3 
A) PCC 
B) K2Cr2O7,H2SO4,H2O 
C) LiAlH4,H2O 
D) Na,NH3

Question 12

Rank the following alkenes in order of increasing rate of hydrogenation.

Accepted Answer

A) I < III < IV < II 
B) IV < III < II < I 
C) I < II < III < IV 
D) IV < II < III < I 
A) I < III < IV < II 
B) IV < III < II < I 
C) I < II < III < IV 
D) IV < II < III < I

Question 13

Which of the following is (are)formed by ozonolysis of compound A?

Accepted Answer

A) Only I 
B) Only II 
C) Only I and II 
D) I,II,and III 
A) Only I 
B) Only II 
C) Only I and II 
D) I,II,and III

Question 14

What is the starting material in the following sequence of reactions?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 15

Which of the following statements about the reduction of epoxides with LiA1H4 is true?

Accepted Answer

A) The nucleophile is a hydride (H-). 
B) In unsymmetrical epoxides,nucleophilic attack of H- occurs at the more substituted carbon atom. 
C) The reaction follows SN1 mechanism. 
D) The nucleophile,H-,is a weak nucleophile. 
A) The nucleophile is a hydride (H-). 
B) In unsymmetrical epoxides,nucleophilic attack of H- occurs at the more substituted carbon atom. 
C) The reaction follows SN1 mechanism. 
D) The nucleophile,H-,is a weak nucleophile.

Question 16

Determine the product of the following reaction.

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 17

What is the correct classification of the following reaction?

Accepted Answer

A) Reduction reaction 
B) Oxidation reaction 
C) Elimination reaction 
D) Substitution reaction 
A) Reduction reaction 
B) Oxidation reaction 
C) Elimination reaction 
D) Substitution reaction

Question 18

Determine the product of the following reaction.

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 19

Which of the following is (are)formed by ozonolysis of compound A?

Accepted Answer

A) Only I 
B) Only II 
C) I and II 
D) I,II,and III 
A) Only I 
B) Only II 
C) I and II 
D) I,II,and III

Question 20

What is (are)the product(s)of the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Exam 12: Oxidation and Reduction

What is the correct classification of the following reaction?

What is the starting material in the following reaction?

Rank the following alkenes in order of decreasing heat of hydrogenation.

What is the correct classification of the following reaction?

What is the reagent required to accomplish the following transformation?

Which of the following is (are)formed by ozonolysis of the following alkyne?

What is the starting material in the following reaction?

What is the reagent required to accomplish the following transformation?

Rank the following compounds in order of decreasing oxidation level,putting the compound with the highest oxidation level first.

Which of the following statements about oxidation and reduction is not true?

What reagents are necessary to perform the following reaction?

Rank the following alkenes in order of increasing rate of hydrogenation.

Which of the following is (are)formed by ozonolysis of compound A?

What is the starting material in the following sequence of reactions?

Which of the following statements about the reduction of epoxides with LiA1H4 is true?

Determine the product of the following reaction.

What is the correct classification of the following reaction?

Determine the product of the following reaction.

Which of the following is (are)formed by ozonolysis of compound A?

What is (are)the product(s)of the following reaction?

Structure and Bonding

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols,ethers,and Related Compounds

Alkenes and Addition Reactions

Alkynes and Synthesis

Radical Reactions

Conjugation,resonance,and Dienes

Benzene and Aromatic Compounds

Reactions of Aromatic Compounds

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Aldehydes and Ketones - Nucleophilic Addition

Carboxylic Acids and the Acidity of the O-H Bond

Carboxylic Acids and Their Derivatives Nucleophilic Acyl Substitution

Substitution Reactions of Carbonyl Compounds at the a Carbon

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond-Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Synthetic Polymers

Lipids

Spectroscopy A: Mass Spectrometry

Spectroscopy B: Infrared Spectroscopy

Spectroscopy C: Nuclear Magnetic Resonance Spectroscopy

Filters

Which of the following statements about the reduction of epoxides with LiA1H₄ is true?