23. Which conditions favor an efficient (fast, high yield) Sn2 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 24. Which of the following statements about an SN1 reaction is true? A. the reaction occurs in one-step B. there is no effect on reaction rate by nucleophile C. primary alkyl halides react faster than secondary alkyl halides D. the reaction proceeds with inversion of stereochemistry E. the reaction is favored by aprotic solvents 25. Consider the following alkyl bromides and identify the most reactive and the least reactive compound in an SN1 reaction. Br Br Br CH,Br A B D to

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23 24 25

23. Which conditions favor an efficient (fast, high yield) Sn2 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
24. Which of the following statements about an SN1 reaction is true?
A. the reaction occurs in one-step
B. there is no effect on reaction rate by nucleophile
C. primary alkyl halides react faster than secondary alkyl halides
D. the reaction proceeds with inversion of stereochemistry
E. the reaction is favored by aprotic solvents
25. Consider the following alkyl bromides and identify the most reactive and the least
reactive compound in an SN1 reaction.
Br
Br
Br
CH,Br
A
B
D
to
Transcribed Image Text:23. Which conditions favor an efficient (fast, high yield) Sn2 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 24. Which of the following statements about an SN1 reaction is true? A. the reaction occurs in one-step B. there is no effect on reaction rate by nucleophile C. primary alkyl halides react faster than secondary alkyl halides D. the reaction proceeds with inversion of stereochemistry E. the reaction is favored by aprotic solvents 25. Consider the following alkyl bromides and identify the most reactive and the least reactive compound in an SN1 reaction. Br Br Br CH,Br A B D to
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