Which amine turns bromine water colorless due to substitution?
Aniline (C₆H₅NH₂) undergoes electrophilic substitution with Br₂ in water, forming 2,4,6-tribromoaniline and decolorizing bromine, as per the PDF.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Physical Properties, Basic Character and Solubility