Question 1

What 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 2

A compound,X,C9H10O,which reacts with I2/NaOH to give a pale yellow precipitate,gives the following 1H NMR spectrum. Singlet,$\delta$2.0
Singlet,$\delta$3.0
Multiplet,$\delta$7.7
Which is a possible structure for X?

Accepted Answer

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

Question 3

An unsymmetrical ketone can form two possible enolates.The enolate with the more highly substituted double bond is called the ___.

Accepted Answer

thermodyna

Question 4

What would be the major product of the following reaction sequence?

Accepted Answer

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

Question 5

Consider the synthesis below.What is compound Z?

Accepted Answer

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

Question 6

What would be the major product of the following reaction sequence?

Accepted Answer

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

Question 7

What 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 8

What product is finally formed when the initial compound formed from cyclohexanone and piperidine is mixed with methyl iodide and that product is heated and then hydrolyzed?

Accepted Answer

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

Question 9

What would be the major product of the following reaction sequence?

Accepted Answer

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

Question 10

Which of the reagents listed below would serve as the basis for a simple chemical test to distinguish between isopropyl alcohol and isobutyl alcohol?

Accepted Answer

A) NaOI (I2 in NaOH) 
B) KMnO4 in H2O 
C) Br2 in CCl4 
D) Cold concd H2SO4 
E) CrO3 in H2SO4 
A) NaOI (I2 in NaOH) 
B) KMnO4 in H2O 
C) Br2 in CCl4 
D) Cold concd H2SO4 
E) CrO3 in H2SO4

Question 11

What would be the product,P,of the following reaction sequence?

Accepted Answer

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

Question 12

What would be the major product of the following reaction sequence?

Accepted Answer

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

Question 13

What 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 14

What 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 15

2-Heptanone can be synthesized by which reaction sequence?

Accepted Answer

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

Question 16

What is the product,W,of the following reaction sequence?

Accepted Answer

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

Question 17

What is the product,Z,of the following reaction sequence?

Accepted Answer

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

Question 18

What product is finally formed when the initial compound formed from cyclohexanone and pyrrolidine is mixed with allyl chloride and that product is heated and then hydrolyzed?

Accepted Answer

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

Question 19

A compound,X,C9H10O,which reacts with I2/NaOH to give a pale yellow precipitate,gives the following 1H NMR spectrum. Singlet,$\delta$2.38
Singlet,$\delta$2.54
Multiplet (centered),$\delta$7.50
Which is a possible structure for X?

Accepted Answer

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

Question 20

What would be the major product of the following reaction sequence?

Accepted Answer

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

Exam 18: Reactions at the Α Carbon of Carbonyl Compounds

What would be the major product of the following reaction?

A compound,X,C9H10O,which reacts with I2/NaOH to give a pale yellow precipitate,gives the following 1H NMR spectrum. Singlet, δ\deltaδ 2.0 Singlet, δ\deltaδ 3.0 Multiplet, δ\deltaδ 7.7 Which is a possible structure for X?

An unsymmetrical ketone can form two possible enolates.The enolate with the more highly substituted double bond is called the ___.

What would be the major product of the following reaction sequence?

Consider the synthesis below.What is compound Z?

What would be the major product of the following reaction sequence?

What would be the major product of the following reaction?

What product is finally formed when the initial compound formed from cyclohexanone and piperidine is mixed with methyl iodide and that product is heated and then hydrolyzed?

What would be the major product of the following reaction sequence?

Which of the reagents listed below would serve as the basis for a simple chemical test to distinguish between isopropyl alcohol and isobutyl alcohol?

What would be the product,P,of the following reaction sequence?

What would be the major product of the following reaction sequence?

What would be the major product of the following reaction?

What would be the major product of the following reaction?

2-Heptanone can be synthesized by which reaction sequence?

What is the product,W,of the following reaction sequence?

What is the product,Z,of the following reaction sequence?

What product is finally formed when the initial compound formed from cyclohexanone and pyrrolidine is mixed with allyl chloride and that product is heated and then hydrolyzed?

A compound,X,C9H10O,which reacts with I2/NaOH to give a pale yellow precipitate,gives the following 1H NMR spectrum. Singlet, δ\deltaδ 2.38 Singlet, δ\deltaδ 2.54 Multiplet (centered), δ\deltaδ 7.50 Which is a possible structure for X?

What would be the major product of the following reaction sequence?

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