How can you prepare benzene diazonium chloride from aniline
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This compound is prepared by diazotization of aniline in the presence of hydrochloric acid:[2] The conversion involves in situ production of nitrous acid (HNO2), which reacts with the aniline:
C6H5NH2 + HNO2 + HCl → [C6H5N2]Cl + 2 H2O
The reactions are conducted at low temperature to minimize decomposition of the diazonium salt. The diazonium salt is not isolated.
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