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Author Question: Select the reagent and solvent combination which would result in the fastest rate of substitution ... (Read 120 times)

fnuegbu

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on: Aug 23, 2018

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.SN1
  2.SN2
  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 SN2 process.
  2.The reaction proceeds by the SN1 mechanism.
  3.The observation indicates an E2 process.
  4.This is a reaction with E1 mechanism.
  5.None of these


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sultana.d

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Reply #1 on: Aug 23, 2018
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

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  • Posts: 539
Reply 2 on: Aug 23, 2018
YES! Correct, THANKS for helping me on my review

amynguyen1221

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  • Posts: 355
Reply 3 on: Yesterday
:D TYSM

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