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Always 2 Transition States for Electrophilic Addition?

Posted: Fri Mar 03, 2017 10:47 pm
by Michael_Johanis_2K
Is it true that every electrophilic addition reaction will have two steps and therefore two transition states?

Re: Always 2 Transition States for Electrophilic Addition?

Posted: Sat Mar 04, 2017 11:29 am
by Chem_Mod
No. Electrophilic addition reactions with a one-step mechanism occur with certain reactants (such as BH3 with an alkene). These are called concerted electrophilic additions.