Question 1

Name the following compound:

Accepted Answer

A) (Z)-5-methylhex-4-en-2-yn-6-ol 
B) (
E) -5-methylhex-4-en-2-yn-6-ol 
C) (
E) -2-methylhex-2-en-4-yn-1-ol 
D) (Z)-2-methylhex-2-en-4-yn-1-ol 
E) (Z)-1-methylhex-2-en-3-yn-1-ol 
A) (Z)-5-methylhex-4-en-2-yn-6-ol 
B) (
E) -5-methylhex-4-en-2-yn-6-ol 
C) (
E) -2-methylhex-2-en-4-yn-1-ol 
D) (Z)-2-methylhex-2-en-4-yn-1-ol 
E) (Z)-1-methylhex-2-en-3-yn-1-ol

Question 2

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

Accepted Answer

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

Question 3

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 4

All SN1 reactions will always be accompanied by a competing E1 reaction.

Accepted Answer

A) True 
 B)False

Question 5

When an elimination reaction gives the most stable alkene as the major product,we say that the elimination follows ___'s rule.

Accepted Answer

The answer of When an elimination reaction gives the most...

Question 6

What is the structure of a compound with formula C6H10 which has IR absorption at approximately 3300 cm-1 and which can be catalytically reduced with hydrogen to 2-methylpentane?

Accepted Answer

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

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 would you expect to be the chief organic product(s)when tert-butyl bromide reacts with sodium acetylide,i.e.,

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 9

How will you prepare trans-2-heptene from 2-heptyne?

Accepted Answer

Dissolving metal red

Question 10

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 11

A compound,C6H10,which reacts with 2 mol of hydrogen over a platinum catalyst and which shows an IR absorption band at approximately 3300 cm-1 could be:

Accepted Answer

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

Question 12

Draw the structures of all stereoisomers of 2-chloro-4-methyl-3-hexene,clearly showing all stereochemical details,using appropriate 3-D representations (dash-wedge,etc.)as relevant.

Accepted Answer

The answer of Draw the structures of all stereoisomers of...

Question 13

What is the major product for the following reaction?

Accepted Answer

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

Question 14

What is the major product of the reaction between methanol and (2R,3S)-2-bromo-3-methylpentane at room temperature?

Accepted Answer

A)    
B)    
C)    
D)    
E) Two of these choices. 
A)    
B)    
C)    
D)    
E) Two of these choices.

Question 15

Which would be the major product of the following reaction?

Accepted Answer

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

Question 16

Which product(s)would be produced by acid-catalyzed dehydration of 2-methyl-2-pentanol?

Accepted Answer

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

Question 17

What is the major product for the following reaction sequence?

Accepted Answer

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

Question 18

Your task is to convert 2-bromobutane to 1-butene in highest yield.Which reagents would you use?

Accepted Answer

A) KOH/H2O 
B) KOH/CH3OH 
C) CH3ONa/CH3OH 
D) CH3CH2ONa/CH3CH2OH 
E) (CH3)3COK/(CH3)3COH 
A) KOH/H2O 
B) KOH/CH3OH 
C) CH3ONa/CH3OH 
D) CH3CH2ONa/CH3CH2OH 
E) (CH3)3COK/(CH3)3COH

Question 19

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 20

What is the major product of the reaction,

Accepted Answer

A) (CH3)2C=C(CH3)2 
B) (CH3)3C-CH=CH2 
C) (CH3)2C=CHCH3 
D) (CH3)2C=CHCH2CH3 
E) None of these choices. 
A) (CH3)2C=C(CH3)2 
B) (CH3)3C-CH=CH2 
C) (CH3)2C=CHCH3 
D) (CH3)2C=CHCH2CH3 
E) None of these choices.

Exam 7: Alkenes and Alkynes I

Name the following compound:

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

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

All SN1 reactions will always be accompanied by a competing E1 reaction.

When an elimination reaction gives the most stable alkene as the major product,we say that the elimination follows ___'s rule.

What is the structure of a compound with formula C6H10 which has IR absorption at approximately 3300 cm-1 and which can be catalytically reduced with hydrogen to 2-methylpentane?

What is the major product for the following reaction?

What would you expect to be the chief organic product(s)when tert-butyl bromide reacts with sodium acetylide,i.e.,

How will you prepare trans-2-heptene from 2-heptyne?

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

A compound,C6H10,which reacts with 2 mol of hydrogen over a platinum catalyst and which shows an IR absorption band at approximately 3300 cm-1 could be:

Draw the structures of all stereoisomers of 2-chloro-4-methyl-3-hexene,clearly showing all stereochemical details,using appropriate 3-D representations (dash-wedge,etc.)as relevant.

What is the major product for the following reaction?

What is the major product of the reaction between methanol and (2R,3S)-2-bromo-3-methylpentane at room temperature?

Which would be the major product of the following reaction?

Which product(s)would be produced by acid-catalyzed dehydration of 2-methyl-2-pentanol?

What is the major product for the following reaction sequence?

Your task is to convert 2-bromobutane to 1-butene in highest yield.Which reagents would you use?

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

What is the major product of the reaction,

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

All S_N1 reactions will always be accompanied by a competing E1 reaction.

What is the structure of a compound with formula C₆H₁₀ which has IR absorption at approximately 3300 cm^-1 and which can be catalytically reduced with hydrogen to 2-methylpentane?

A compound,C₆H₁₀,which reacts with 2 mol of hydrogen over a platinum catalyst and which shows an IR absorption band at approximately 3300 cm^-1 could be: