1.

Which of the following free radicals is the least stable ?

Answer»

`*CH_(3)`
`*CH_(2)-CH_(3)`
`CH_(3)-Coverset(*)(H)-CH_(3)`
`CH_(3)-underset(underset(CH_(3))(|))overset(*)(C)-CH_(3)`

Solution :Hyper conjugation Among the given FREE RADICALS, `overset(*)CH_3` is the least stable since it has No-Hyper conjugation.


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