home > q&a board > chemistry > topic: faster or slower reaction

Q BgQuestion:

Scholar
Karma Points: 200
Respect (100%):
posted by  LuvlyNICURN on 7/22/2008 3:15:20 PM  |  status: Live  

Faster or slower reaction

Course Textbook Chapter Problem
N/A N/A N/A N/A
Question Details:
A).
  
 
B).
 
 

Which reaction is faster A or B
Bonus Point Alert! Earn +4 additional karma points for helping this annual member.

AAnswers:

Answer Question
Oracle
Karma Points: 16,330
posted by Sarah21 on 7/22/2008 3:26:20 PM  |  status: Live
Asker's Rating: Lifesaver   
Response Details:

reaction B will be faster because the solvent used in this reaction is acetone which is a polar non protic solvent.  Polar nonprotic solvents work best with sn2 reactions and sn2 reactions work best with primary carbons.  Reaction B involves a primary carbon that is susceptible to a back sided attack whereas reaction A is less favorable and slower because of the branches that will make it harder for the nucleophile to attack from the back side.
Hope this helps!  Please take the time to rate my answer accordingly.  Thanks! 
Answer Question
Ask New Question

Join Cramster's Community

Cramster.com brings together students, educators and subject enthusiasts in an online study community. With around-the-clock expert help and a community of over 100,000 knowledgeable members, you can find the help you need, whenever you need it. Join for free today »

Need Help In

Useful Links