Which compound is formed when aniline is treated with NaNO₂ and HCl , followed by CuCl ?
This is the Sandmeyer reaction. Aniline forms a diazonium salt with NaNO₂ and HCl , which reacts with CuCl to yield chlorobenzene ( C₆H₅Cl ).
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Physical Properties - Boiling Point Dipole Moment Solubility