Traces of aniline can be determined by reaction

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Traces of aniline can be determined by reaction with an excess of electrolytically generated Br2:

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The polarity of the working electrode is then reversed, and the excess bromine is determined by a coulometric titration involving the generation of Cu (I):

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Suitable quantities of KBr and copper (II) sulfate were added to a 25.0-mL sample containing aniline. Calculate the mass in micrograms of C6H5NH2 in the sample from the accompanying data:

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Reference no: EM131083212

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