@useinkling: you know it's SN2, but where does the arrow start? 🤔 these are the steps from the curved arrows lesson in the app. a curved arrow starts on electrons (the O's lone pair) and ends where they land, a new bond to the carbon. the carbon can only keep four bonds, so the C-Br pair leaves onto Br as a lone pair. both arrows start on electrons, neither starts at an atom. that is the whole SN2 arrow pushing for HO- + bromoethane, midterm 2 orgo 1. the lesson is free in the app, search "inkling orgo" on the App Store what did you pick before you swiped, A, B or C? 👇 #ochem #organicchemistry #studytok #examprep #sn2

inkling: orgo & chem help

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Sunday 01 November 2026 00:35:00 GMT