3 public questions tagged with this topic.
Aniline forms a diazonium salt with NaNO₂ and HCl , which reacts with KI to form C₆H₅I (iodobenzene).
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Polyhalogen Compounds - Chloroform Iodoform DDT Freons
I (-1 in KI) becomes 0 in I₂, losing electrons; Cu (+2 to +1) is reduced.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Classical and Electronic Concept of Redox and Oxidation Number
Cu (+2 to +1): 2 Cu atoms gain 2 electrons. I (-1 in 4KI) to 0 in I₂: 2 I atoms lose 2 electrons. Total = 2.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Balancing Redox Reactions - Oxidation Number Method and Half Reaction
