azo dye test by primary aromatic amine

Which Amine Gives Azo Test – primary aromatic amine (Aniline). Which amine gives azo test? Yes, it is true only primary aromatic amine gives azo test just because, when primary aromatic amine react with nitrous acid (HNO2) then it gives diazonium salt. now, diazonium salt also react with phenol (it Read more…