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CBSE Class 12-science Answered

why the structure having free radical next to a double bond is more stable than cyclic benzene structure?  
Asked by rakeshraghav33 | 18 Sep, 2018, 04:16: PM
answered-by-expert Expert Answer
relative stabilities of radicals
Benzyllic radicals and allylic radicals are almost equally stable. 
 
An allylic radical has an unpaired electron on an allylic carbon and, like an allylic cation, has two contributing resonance structures
  allylic radical
 
A benzylic radical has an unpaired electron on a benzylic carbon and, like a benzylic cation, has five contributing
 
benzylic radical

Answered by Sumit Chakrapani | 19 Sep, 2018, 01:36: AM

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