TBR section 1 passage 1, 4 and 8

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stevvo111

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Hey all so I am kinda confused as to why the cleavage of an unsubstituted alkene yields the greatest energy, while a subsituted double bond (8) requires the more energy to break.

Actually i think I just answered my own question, but let's see if I'm thinking about this correctly.

So an unsubstituted alkene is more unstable than a substituted one. Thus it is easier to break, but it releases more energy upon breaking. A more substituted alkene is more stable and thus requires more energy to break, but releases less upon breaking. Is that right?
 
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