How many moles of Br₂ react with one mole of C₆H₅NH₂ in excess bromine water?
Aniline reacts with excess Br₂ in water to form 2,4,6-tribromoaniline, requiring 3 moles of Br₂ for three substitutions, as per the PDF.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Chemical Reactions - Alkylation, Acylation and Electrophilic Substitution