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Ochem Destroyer 138, could it be wrong?

Dencology

Full Member
10+ Year Member
Mar 7, 2008
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  1. Pre-Dental
please look at question 138(Ochem) destroyer,

why answer is B. it should be C, because internal alkene is more stable that terminal alkene. so when OH leaves the double bond should be forming in the middle and not at the terminal.
 

Danny289

Member
10+ Year Member
Dec 2, 2006
1,523
4
0
  1. Pre-Dental
please look at question 138(Ochem) destroyer,

why answer is B. it should be C, because internal alkene is more stable that terminal alkene. so when OH leaves the double bond should be forming in the middle and not at the terminal.

it is E2 RXN and the rule is this:
small base gives most substituted Alkene( internal), Bulky base gives least substituted( in this case terminal)
(CH3)3COOK is bulky base. hope it helped.
 
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