Which conditions favor an efficient (fast, high yield) SN2 ...

[Kikoku]

Which conditions favor an efficient (fast, high yield) S_N2 reaction between an appropriate alkyl halide and a nucleophile with a charge?
   
  a.
  high concentration of a strong nucleophile, polar protic solvent
   
  b.
  high concentration of a weak nucleophile, nonpolar solvent
   
  c.
  low concentration of a strong nucleophile, polar aprotic solvent
   
  d.
  low concentration of a weak nucleophile, nonpolar solvent
   
  e.
  high concentration of a strong nucleophile, polar aprotic solvent

Question 2

Which of the following statements about an S_N2 reaction is true?
   
  a.
  There are two transition states.
   
  b.
  There is one energy maximum.
   
  c.
  The transition state can be isolated and studied.
   
  d.
  For a carbon electrophile in the transition state, the hybridization of an sp³ carbon remains unchanged.
   
  e.
  The reaction rate does not depend on the concentration of the electrophile.

[lucas dlamini]

Answer to Question 1

e

Answer to Question 2

b

[Kikoku]

TY

[lucas dlamini]

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