The best proposal We've got for what is going on is formation of a cyclic halonium ion, which is a three-membered ring bearing a favourable formal demand around the halogen. I discovered you didn’t go into extra detail than “[…] the response will proceed on the carbon most effective in https://augustwtmdv.tribunablog.com/the-2-minute-rule-for-solution-bromure-de-potassium-51959444