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types of alkyl halides

directory of Chem Help ASAP videos: https://www.chemhelpasap.com/youtube/ Alkyl halides are normally placed into four categories or types based up on the pattern or degree of substitution around the carbon bearing the halide - methyl, primary, secondary, and tertiary. Greater substitution leads to greater steric hindrance while also increasing potential formation of a carbocation. In the SN2, SN1, E2, and E1 reactions, the halide is limited to Cl, Br, and I as the leaving group. Fluoride is not sufficiently stable to be a leaving group for these reactions.