Proper O chem Trend?

[wired202808]

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hey Guys so this I wanted to confirm for:

Carbocations and Free-Radicals, since they have the same trends, which of the following is correct?

Benzylic > Allylic > Tertiary > Secondary > Primary.

Allylic > Benzylic > Tertiary > Secondary > Primary.

 

[AlbinoPolarBear]

hey Guys so this I wanted to confirm for:

Carbocations and Free-Radicals, since they have the same trends, which of the following is correct?

Benzylic > Allylic > Tertiary > Secondary > Primary.

Allylic > Benzylic > Tertiary > Secondary > Primary.

Benzylic > Allylic. As both have resonance to stabilize, there is a greater delocalization (electrons shared between more bonds) in the benzylic case.