Select the reagent and solvent combination which would result in ...

[fnuegbu]

Select the reagent and solvent combination which would result in the fastest rate of substitution
   (R = CH3 in all cases).

 
  1.ROH, HMPA
  2.RS, H2O
  3.RO, H2O
  4.RS, DMSO
  5.RSH, H2O

Question 2

What mechanism is most likely to operate for the following reaction?
 
  1.S_N1
  2.S_N2
  3.E1
  4.E2
  5.E1cB

Question 3

Including stereoisomers, how many products are possible from the following reaction?
   
  1.1
  2.2
  3.3
  4.4
  5.5

Question 4

Which compound would serve as the best starting material for the transformation shown below?
 

Question 5

In a reaction between an alkyl halide and methoxide, doubling the alkyl halide concentration doubles the rate of the reaction. Which of the following is a reasonable conclusion?
  1.The reaction is an S_N2 process.
  2.The reaction proceeds by the S_N1 mechanism.
  3.The observation indicates an E2 process.
  4.This is a reaction with E1 mechanism.
  5.None of these

[sultana.d]

Answer to Question 1

4

Answer to Question 2

4

Answer to Question 3

5

Answer to Question 4

1

Answer to Question 5

5

[fnuegbu]

Thanks for the timely response, appreciate it

Excellent