Alkenes

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1️⃣ Unsaturated Hydrocarbons 2️⃣ General Formula & Members of Alkenes 3️⃣ Preparation of Alkenes 🔹 From Alcohols by Dehydration Ethene can be prepared by heating ethanol with excess concentrated sulfuric acid (H₂SO₄) or passing ethanol vapor over heated aluminium oxide (Al₂O₃). Equation: C2H5OH →C2H4+H2O (Ethanol → Ethene + Water) 4️⃣ Cracking of Hydrocarbons 🔹 What […]

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