@useinkling: HBr or BH₃, same alkene, opposite ends 🌿 the whole trick is asking whether a + forms first today's quiz is waiting in the app: Br₂ on the cut-grass molecule ✏️ search "inkling orgo" on the App Store or go to tryinkling.app Markovnikov vs anti-Markovnikov for orgo 1 alkene additions: HBr and H₂O with H₂SO₄ make a carbocation, so the Br or OH lands on the more substituted carbon, and that + can shift from 2° to 3°. BH₃ then H₂O₂, NaOH puts the OH on the less substituted carbon and adds the H and OH to the same face (syn). HBr with peroxides goes through a radical and puts the Br on the end, and only HBr does that. Br₂ goes through a bromonium, so the two Br's add anti. anti-Markovnikov and anti addition are two different questions. peroxides with HBr vs HCl: which one flips? 👇 #ochem #organicchemistry #alkenes #orgo1 #chemtok

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