Where a lone pair with the nucleophile overlaps Together with the sigma* orbital from the leaving group. Having said that, this action does not possess the same sensitivity to steric hindrance given that the SN2 response, as we're about to see. In a few scenarios the stereoselectivity of halogenation reactions https://bromazintablets3mgbromaze36036.dgbloggers.com/38109708/solution-bromure-de-potassium-secrets