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Which alkyl free radical is more stable
Accepted Answer
The stability of alkyl free radicals increases with increasing substitution. Tertiary alkyl radicals are the most stable, followed by secondary, and then primary radicals. This is due to the electron-donating effect of alkyl groups, which helps to stabilize the unpaired electron. For example, a tert-butyl radical is more stable than an isopropyl radical, which is more stable than a methyl radical.
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