Benzyl Free Radical:
- More Resonating structure more will be the stability of the free Radical.

(4 Resonating Structure)



Sol. (a) CH3-C0H2 will be most stable due to hyper conjugation
Between
⇒More s-character
⇒More electronegative
⇒E-density maximum
⇒More repulsion
⇒Less stable
Ans. a > b > c (More repulsion, less stability)
Ex.2 Compare the stability of the following free Radicals
(Therefore this resonating structure is not possible)
Ans. b > a > c
Ex.3
(a)
(b)
(c)
(d)
Compare the bond energy of the above compounds.
Sol. After forming free radical from the compound
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