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p-Chloronitroobenzene(substrate) and p-nitrophenetole (product) were quantitatively analyzed to know the degree of extent of reaction in the process of time. The calibration curve was prepared by the internal standard method in gaschromatography. 2,6-Dimethylnaphthalene was used as internal standard. The rate constant(k), the reaction velocity in various concentrations and amounts of ethanol, the change of reaction velocity with the amounts of NaOH altered, and the formation of byproducts(azo-compound -and p-nitrophenol) with the amounts of MnO2m and NaOH altered, were studied. From the results of these experiments, this reaction was second order and the rate constant was k=10.3 X 10-3 mole-1.min-1. When p-chloronitrobenzene 1 pt., NaOH 0.56pts. MnO2 0.5pts., and ethanol 25pts-were reacted about 10 hours, p-nitrophenetole was nearly quantitatively obtained without byproducts.
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