Question 1

What would be the major product(s)of the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) None of these choices. 
A) I 
B) II 
C) III 
D) IV 
E) None of these choices.

Question 2

Which alcohol would initially produce the most stable carbocation when treated with concentrated H2SO4?

Accepted Answer

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

Question 3

What would be the major product(s)of the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) More than one of these choices. 
A) I 
B) II 
C) III 
D) IV 
E) More than one of these choices.

Question 4

What major product(s)are likely to be obtained from the following reaction?

Accepted Answer

A) I,by predominantly SN2 
B) II,by predominantly SN2 
C) an equimolar mixture of I and II,by predominantly SN1 
D) III,by substitution of the alkyl group,rather than substitution of the chloro group. 
E) Actually,none of these products are likely to be obtained as major products,because elimination will probably predominate,leading to the formation of an alkene. 
A) I,by predominantly SN2 
B) II,by predominantly SN2 
C) an equimolar mixture of I and II,by predominantly SN1 
D) III,by substitution of the alkyl group,rather than substitution of the chloro group. 
E) Actually,none of these products are likely to be obtained as major products,because elimination will probably predominate,leading to the formation of an alkene.

Question 5

What will be the index of hydrogen deficiency in product of cholesterol undergoing catalytic hydrogenation with Pt?

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 5 
E) none of these choices 
A) 1 
B) 2 
C) 4 
D) 5 
E) none of these choices

Question 6

Heats of hydrogenation data would be useful in comparing the relative stabilities of which of the following substances?

Accepted Answer

A) I,II,III 
B) III,IV 
C) I,II,V 
D) Heats of hydrogenation data would not be a useful way to compare relative stabilities of any of the substances. 
E) All of these substances could effectively be compared using heats of hydrogenation data. 
A) I,II,III 
B) III,IV 
C) I,II,V 
D) Heats of hydrogenation data would not be a useful way to compare relative stabilities of any of the substances. 
E) All of these substances could effectively be compared using heats of hydrogenation data.

Question 7

What is the major product for the following reaction?

Accepted Answer

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

Question 8

What is the major product of the reaction of the following reaction?

Accepted Answer

A)    
B)    
C)    
D)    
E) More than one of these choices. 
A)    
B)    
C)    
D)    
E) More than one of these choices.

Question 9

Which would be formed in the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) All of these choices. 
A) I 
B) II 
C) III 
D) IV 
E) All of these choices.

Question 10

The product(s)for the following reaction would mainly be dictated by which mechanism?

Accepted Answer

A) SN1 
B) SN2 
C) E1 
D) E2 
E) None of these choices. 
A) SN1 
B) SN2 
C) E1 
D) E2 
E) None of these choices.

Question 11

On hydrogenation with platinum,a compound C9H12 absorbs 2 mol of hydrogen.Which of the following is a possible structure for the compound?

Accepted Answer

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

Question 12

Name the following compound:

Accepted Answer

A) (
E) -4-phenyl-4-methylbut-3-en-1-ol 
B) (
E) -4-phenylpent-3-en-1-ol 
C) (Z)-4-phenylpent-3-en-1-ol 
D) (Z)-4-phenyl-4-methylbut-3-en-1-ol 
E) (
E) -4-benzylpent-3-en-1-ol 
A) (
E) -4-phenyl-4-methylbut-3-en-1-ol 
B) (
E) -4-phenylpent-3-en-1-ol 
C) (Z)-4-phenylpent-3-en-1-ol 
D) (Z)-4-phenyl-4-methylbut-3-en-1-ol 
E) (
E) -4-benzylpent-3-en-1-ol

Question 13

By analyzing the starting material and the product(s),the following reaction is possibly an example of what type of mechanism?

Accepted Answer

A) SN1 
B) SN2 
C) E1 
D) E2 
E) None of these choices. 
A) SN1 
B) SN2 
C) E1 
D) E2 
E) None of these choices.

Question 14

What would be the major product(s)of the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) None of these choices. 
A) I 
B) II 
C) III 
D) IV 
E) None of these choices.

Question 15

Which structure represents (Z)-4-bromohexa-1,3-diene?

Accepted Answer

A)    
B)    
C)    
D)    
E) None of these choices. 
A)    
B)    
C)    
D)    
E) None of these choices.

Question 16

Provide a mechanistic explanation for the formation of the observed products in the following reaction.

Accepted Answer

The answer of Provide a mechanistic explanation for the formation...

Question 17

Which alkene would liberate the most heat per mole when subjected to catalytic hydrogenation?

Accepted Answer

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

Question 18

Heating tert-butyl chloride with 1.0 M NaOH in a mixture of water and methanol would yield mainly

Accepted Answer

A) (CH3)3COH through an SN1 reaction. 
B) (CH3)3COCH3 through an SN1 reaction. 
C) (CH3)3COH through an SN2 reaction. 
D) (CH3)3COCH3 through an SN2 reaction. 
E) CH2=C(CH3)2 through an E2 reaction. 
A) (CH3)3COH through an SN1 reaction. 
B) (CH3)3COCH3 through an SN1 reaction. 
C) (CH3)3COH through an SN2 reaction. 
D) (CH3)3COCH3 through an SN2 reaction. 
E) CH2=C(CH3)2 through an E2 reaction.

Question 19

Which reaction would not be a method for preparing 5-methyl-1-hexyne?

Accepted Answer

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

Question 20

Dehydration of alcohols requires a ___ catalyst.

Accepted Answer

The answer of Dehydration of alcohols requires a ___ catalyst....

Exam 7: Alkenes and Alkynes I

What would be the major product(s)of the following reaction?

Which alcohol would initially produce the most stable carbocation when treated with concentrated H2SO4?

What would be the major product(s)of the following reaction?

What major product(s)are likely to be obtained from the following reaction?

What will be the index of hydrogen deficiency in product of cholesterol undergoing catalytic hydrogenation with Pt?

Heats of hydrogenation data would be useful in comparing the relative stabilities of which of the following substances?

What is the major product for the following reaction?

What is the major product of the reaction of the following reaction?

Which would be formed in the following reaction?

The product(s)for the following reaction would mainly be dictated by which mechanism?

On hydrogenation with platinum,a compound C9H12 absorbs 2 mol of hydrogen.Which of the following is a possible structure for the compound?

Name the following compound:

By analyzing the starting material and the product(s),the following reaction is possibly an example of what type of mechanism?

What would be the major product(s)of the following reaction?

Which structure represents (Z)-4-bromohexa-1,3-diene?

Provide a mechanistic explanation for the formation of the observed products in the following reaction.

Which alkene would liberate the most heat per mole when subjected to catalytic hydrogenation?

Heating tert-butyl chloride with 1.0 M NaOH in a mixture of water and methanol would yield mainly

Which reaction would not be a method for preparing 5-methyl-1-hexyne?

Dehydration of alcohols requires a ___ catalyst.

The Basics

Families of Carbon

Acids and Bases

Nomenclature and Conformations of Alkanes and Cycloalkanes

Stereochemistry

Nucleophilic Reactions

Alkenes and Alkynes II

Nuclear Magnetic Resonance and Mass Spectrometry

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

Condensation and Conjugate Addition Reactions of Carbonyl Compounds

Amines

Transition Metal Complexes

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

Which alcohol would initially produce the most stable carbocation when treated with concentrated H₂SO₄?

On hydrogenation with platinum,a compound C₉H₁₂ absorbs 2 mol of hydrogen.Which of the following is a possible structure for the compound?