1. Tardigrade
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  3. Chemistry
  4. The most stable free radical among the following is

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Q. The most stable free radical among the following is

Organic Chemistry – Some Basic Principles and Techniques

Solution:

(a) Free radical stabilized only by electron releasing effect of $- CH _{2}$ group.
(b) Free radical stabilized by resonance and electron releasing effect of $- CH _{3}$ group.
(c) Free radical stabilized only by resonance.
(d) Free radical most stable. Stabilization by 2 methyl groups because of their $e ^{-}$ releasing effects.