Alkenes

Chemistry · Chapter 22 · Organic Chemistry (Units 8-9: Basic Principles and Techniques, Hydrocarbons)

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Nomenclature, structure of the double bond (ethene) and isomerism
Preparation: dehydration of alcohols, dehydrohalogenation of alkyl halides, from vicinal dihalides, Kolbe's method, from alkynes; Saytzeff's rule
Physical properties of alkenes
Addition of hydrogen, halogens, hydrogen halides, sulphuric acid and water; mechanism of electrophilic addition; Markownikoff's rule and peroxide (anti-Markownikoff) effect
Oxidation (combustion, cold and hot alkaline KMnO4, ozonolysis); polymerisation; uses