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Lab Report: Nitration Of Bromomobenzene

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Lab Report 10: Nitration of Bromobenzene Raekwon Filmore CM 244 Section 40 March 27, 2018 Introduction: For this experiment, nitration of bromobenzene was the focus of the lab. The benzene is an aromatic compound and when it reacts with wither a mixture of sulfuric acid or nitric acid creates what is known as a nitro group. The formation of the nitro group is possible because it is an electrophilic aromatic substitution reaction. The creation of the nitronium ion is shown below: The reaction with the nitronium ion with bromobenzene creates three products instead of one. Depending on where the nitronium group or the alpha complexes of the reaction is on the ring, determines whether the product will be meta, para or ortho. The energy required for ortho and para positions are much lower than if the atom is in a meta position. The reaction below illustrates the different products that can be formed: The bromine atom that is present in the reaction is an ortho-para director because it favors the formation of the product to be either ortho or para instead of being in a meta position. In addition, the presence of an electron withdrawing group or electron releasing group aids in determining whether the products will be in a meta, ortho or para position. The presence of an electron releasing group, in this reaction it is the bromine atom, the nitronium group will be attached in wither the ortho or para position. In comparison to if an electron withdrawing

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