Question 1

Your task is to convert o-xylene into o-diaminobenzene.Which sequence of reagents constitutes the best method?

Accepted Answer

A) NaNH2 and heat 
B) NBS/CCl4; then NH3; then Br2/OH- 
C) KMnO4,OH-,heat; then H3O+; then PCl5; then NH3,then Br2/OH- 
D) KMnO4,OH-,heat; then H3O+; then SOCl2; then NH3; then LiAlH4; then Br2/OH- 
E) KMnO4,OH-,heat; then H3O+; then NH3 with H2/Ni 
A) NaNH2 and heat 
B) NBS/CCl4; then NH3; then Br2/OH- 
C) KMnO4,OH-,heat; then H3O+; then PCl5; then NH3,then Br2/OH- 
D) KMnO4,OH-,heat; then H3O+; then SOCl2; then NH3; then LiAlH4; then Br2/OH- 
E) KMnO4,OH-,heat; then H3O+; then NH3 with H2/Ni

Question 2

What is the final product from 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 3

What would be the 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 4

Draw the structure corresponding to the following name:
(3S,6R)-6-(2,4-dinitrophenyl)-3-amino-1-heptyne

Accepted Answer

The answer of Draw the structure corresponding to the following...

Question 5

What would be the 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 6

What would be the 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 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 would be the 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 9

Which reagent would serve as the basis for a simple chemical test that would distinguish between the pair of compounds listed below?

Accepted Answer

A) AgNO3 in H2O 
B) Dilute NaHCO3 
C) Dilute NaOH 
D) C6H5SO2Cl/OH-,then H3O+ 
E) Dilute HCl 
A) AgNO3 in H2O 
B) Dilute NaHCO3 
C) Dilute NaOH 
D) C6H5SO2Cl/OH-,then H3O+ 
E) Dilute HCl

Question 10

Identify the best method(s)to prepare N-methylphenylmethanamine.

Accepted Answer

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

Question 11

What is the final product from 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

Which reagent would serve as the basis for a simple chemical test that would distinguish between the pair of compounds listed below?

Accepted Answer

A) AgNO3 in H2O 
B) Dilute NaHCO3 
C) Dilute NaOH 
D) C6H5SO2Cl/OH-,then H3O+ 
E) Dilute HCl 
A) AgNO3 in H2O 
B) Dilute NaHCO3 
C) Dilute NaOH 
D) C6H5SO2Cl/OH-,then H3O+ 
E) Dilute HCl

Question 13

Propose structures corresponding to each of the molecular formulas given in the following reaction sequence:

Accepted Answer

The answer of Propose structures corresponding to each of the...

Question 14

What would be the 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 15

How could one carry out this synthesis?

Accepted Answer

A) SOCl2; then NH3; then H3PO2 
B) CH3Li,ether; then NH3,H2,Ni 
C) SOCl2; then NH3; then Br2,NaOH 
D) PCl5; then NH3; then HCl,NaNO2,0-5 °C 
E) PCl5; then CH3NH2; then KMnO4,OH-,heat 
A) SOCl2; then NH3; then H3PO2 
B) CH3Li,ether; then NH3,H2,Ni 
C) SOCl2; then NH3; then Br2,NaOH 
D) PCl5; then NH3; then HCl,NaNO2,0-5 °C 
E) PCl5; then CH3NH2; then KMnO4,OH-,heat

Question 16

How could one carry out this synthesis?

Accepted Answer

A) SOCl2; then NH3; then H3PO2 
B) CH3Li,ether; then NH3,H2,Ni 
C) SOCl2; then NaN3; then heat 
D) PCl5; then NH3; then HCl,NaNO2,0-5 °C 
E) PCl5; then CH3NH2; then KMnO4,OH-,heat 
A) SOCl2; then NH3; then H3PO2 
B) CH3Li,ether; then NH3,H2,Ni 
C) SOCl2; then NaN3; then heat 
D) PCl5; then NH3; then HCl,NaNO2,0-5 °C 
E) PCl5; then CH3NH2; then KMnO4,OH-,heat

Question 17

What would be the reactant in 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

Which of the following compounds would be the weakest base?

Accepted Answer

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

Question 19

The best synthesis of 3,5-dibromotoluene would be:

Accepted Answer

A) Toluene,Br2,Fe and heat 
B) p-CH3C6H4NH2,Br2,H2O; then HONO,0-5 °C; then H3PO2 
C) Toluene,fuming HNO3,H2SO4; then NH3,H2S; then HONO,0-5 °C; then CuBr 
D) m-Dibromobenzene,CH3Cl,AlCl3,heat 
E) m-Bromotoluene,HNO3,H2SO4; then NH3,H2S; then HONO,0-5 °C; then CuBr 
A) Toluene,Br2,Fe and heat 
B) p-CH3C6H4NH2,Br2,H2O; then HONO,0-5 °C; then H3PO2 
C) Toluene,fuming HNO3,H2SO4; then NH3,H2S; then HONO,0-5 °C; then CuBr 
D) m-Dibromobenzene,CH3Cl,AlCl3,heat 
E) m-Bromotoluene,HNO3,H2SO4; then NH3,H2S; then HONO,0-5 °C; then CuBr

Question 20

What would be the product of the following reaction sequence?

Accepted Answer

A) p-bromobenzamide 
B) p-bromobenzaldehyde oxime 
C) p-bromobenzenesulfonamide 
D) p-bromoaniline 
E) 4-bromo-3-chlorobenzoic acid 
A) p-bromobenzamide 
B) p-bromobenzaldehyde oxime 
C) p-bromobenzenesulfonamide 
D) p-bromoaniline 
E) 4-bromo-3-chlorobenzoic acid

Exam 20: Amines

Your task is to convert o-xylene into o-diaminobenzene.Which sequence of reagents constitutes the best method?

What is the final product from the following reaction sequence:

What would be the product of the following reaction sequence?

Draw the structure corresponding to the following name: (3S,6R)-6-(2,4-dinitrophenyl)-3-amino-1-heptyne

What would be the product of the following reaction sequence?

What would be the product of the following reaction sequence?

What would be the product of the following reaction?

What would be the product of the following reaction sequence?

Which reagent would serve as the basis for a simple chemical test that would distinguish between the pair of compounds listed below?

Identify the best method(s)to prepare N-methylphenylmethanamine.

What is the final product from the following reaction sequence:

Which reagent would serve as the basis for a simple chemical test that would distinguish between the pair of compounds listed below?

Propose structures corresponding to each of the molecular formulas given in the following reaction sequence:

What would be the product of the following reaction sequence?

How could one carry out this synthesis?

How could one carry out this synthesis?

What would be the reactant in the following reaction sequence?

Which of the following compounds would be the weakest base?

The best synthesis of 3,5-dibromotoluene would be:

What would be the product of the following reaction sequence?

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