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Nitration of Naphthalene Wed 2/25/2015 Lab report # 1 Abstract: The purpose of this experiment was to nitrate naphthalene with nitronium ion, which is formed at low concentration from a reaction of nitric acid and sulfuric acid. The electrophile is the nitronium ion, NO2+ , which is formed at low concentration by a reaction of the two acids. Polynuclear aromatic hydrocarbons such as naphthalene can be nitrat- d by the same methods as benzene derivatives, including the well-known chmined acid" method that utilizes a mixture of nitric acid and saifuric acid.

Reactants used were nitric acid, nitrogen dioxide and peroxynitrous acid in the dark, nitrate, and nitrite/nitrous acid under illumination. It is reactive in the atmosphere under ambient conditions, its chief reaction partner being the hydroxyl radical, OH•. Nitration at position 2 produces a carbocation that has 6 total resonance structures, 2 of which appear to preserve the aromaticity of the second ring. Nitration of Naphthalene Purpose of experiment: The purpose of this experiment was to nitrate naphthalene with nitronium ion, which is formed at low concentration from a reaction of nitric acid and sulfuric acid. If i start with 0.50g of Naphthalene, what would my theoretical yield be for the nitration of Naphthalene? Electrophilic substitution reactions take place more rapidly at C1, although the C2 product is more stable and predominates at equilibrium. Soc.

The nitration of naphthalene was studied in aqueous solution to gain insight into the processes leading to the nitration of aromatic compounds in atmospheric hydrometeors. Theoretical yield is always based on whatever the limiting reactant in the reaction is. Chem. Am. Naphthalene was nitrated with a variety of nitrating agents. Chem. Electrophilic substitution reactions take place more rapidly at C1, although the C2 product is more stable and predominates at equilibrium. In this work, the reactions of OH• with naphthalene, 1- and 2-naphthol, and 1- and 2-nitronaphthalene were studied in a 9.4 m3 smog chamber. Nitration Of Naphthalene. Max. naphthalene is more reactive than benzene, both in substitution and addition reactions, and these reactions result in the maintenance of one intact benzene ring. 1 Answer. The electrophile is the nitronium ion, NO2+, which is formed at low concentration by a reaction of the two acids.

The nitronium ion then acts as the electrophile and naphthalene acts as the nucleophile to produce nitro-naphthalene.

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The nitration of naphthalene was studied in aqueous solution to gain insight into the processes leading to the nitration of aromatic compounds in atmospheric hydrometeors. Reaction: Reaction mechanism: Safety Notes: Favorite Answer. Soc. Comparison of data with Perrin's electrochemical nitration [Perrin, C. L. (1977) J. The full yield equation is: actual yield / theoretical yield X 100. Aromatic nitration. Review the re re chanisms of electrophilic aromatic substitution reactions, as needed. Chem.

Nitration of Naphthalene MINILA na- You Begin: Read or review the operations as necessary. Naphthalene was nitrated with a variety of nitrating agents. 99, 5516-5518] shows that nitration of naphthalene gives an α-nitronaphthalene to β-nitronaphthalene ratio that varies between 9 and 29 and is thus not constant. Answer Save. The percent yield from the experiment was 54.4% of the product, and the melting point of the possible results were 59 °C for 1-nitronaphthalene, and 78°C for 2-nitronaphthalene. By use of ceric ammonium nitrate suspended on silica gel, or in homogeneous solution, nitration of naphthalene in the presence of alcohols, sodium- or tetrabutyl ammonium- nitrite and acid gives alkoxynitronaphthalenes. The mononitration of naphthalene could lead to either one of two products, 1-nitronaphthalene or 2-nitronaphthalene. It is the simplest polycyclic aromatic hydrocarbon, and is a white crystalline solid with a characteristic odor that is detectable at concentrations as low as 0.08 ppm by mass.

Naphthalene is an organic compound with formula C 10 H 8. Nitration at position 1 produces a carbocation that has 7 total resonance structures, 4 of which appear to preserve the aromaticity of the second ring. Abstract In this experiment, the nitration of naphthalene was done by combining nitric and sulfuric acid to product the nitronium ion. 2 pages, 630 words . Michael T. Covington March 26, 2013 Experiment 7: Nitration of Naphthalene Claflin University Chemistry Am. As an aromatic hydrocarbon, naphthalene's structure consists of a fused pair of benzene rings. Nitration of Naphthalene?

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