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Get your questions answered here: http://kuadro.com.br/videoaula/quimic... Watch other chemistry video lessons: http://kuadro.com.br/quimica What is halogenation? What is sulfonation and nitration? In this video lesson, Kuadro shows the halogenation, sulfonation and nitration reactions for aromatic hydrocarbons. Study with Kuadro and win a place at university!