Electrophilc addition of HBr to propene: Markovnikov's Rule for addition to asymmetric alkenes

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This animated video takes an in-depth look at the mechanism for the reaction between propene and hydrogen bromide. This is an addition reaction to an asymmetric alkene, so there are two possible alkyl halide products. Markovnikov's rule and the stability of the primary and secondary carbocation intermediates are discussed. You will find an accompanying handout at