The first step in the mechanism of acid catalyzed ring opening of ...

[JGIBBSON]

The first step in the mechanism of acid catalyzed ring opening of oxirane is:
  A)
  protonation of the oxygen in the oxirane.
  B)
  anion attack of the carbon in the oxirane.
  C)
  cation attack of the carbon in the oxirane.
  D)
  formation of a stable carbocation.
  E)
  none of the above.

Question 2

Which of the following molecules is classified as an organic peroxy acid?
  A)
   
 
  B)
   
 
  C)
   
 
  D)
   
 
  E)
   
 

Question 3

The organic products of the reaction below are
   
   
  are:
  A)
  ethanol and iodobenzene.
  B)
  ethyl iodide and iodobenzene.
  C)
  ethanol and phenol.
  D)
  ethyl iodide and phenol.
  E)
  ethylene oxide and phenol.

Question 4

Which of following ethers will cleave by an S_N1 mechanism?
  A)
   
 
  B)
   
 
  C)
   
 
  D)
   
 
  E)
   
 

Question 5

Which of the following ethers will cleave the fastest with H₂O and H⁺?
  A)
   
 
  B)
   
 
  C)
   
 
  D)
   
 
  E)
   
 

Question 6

The mechanism by which ethers are cleaved in concentrated HI is:
  A)
  S_N1
  B)
  S_N2
  C)
  E1
  D)
  E2
  E)
  none of these

[frre432]

Answer to Question 1

a

Answer to Question 2

e

Answer to Question 3

d

Answer to Question 4

d

Answer to Question 5

d

Answer to Question 6

b

[JGIBBSON]

Wow, this really help

[scottmt]

Great answer, keep it coming