In the reaction I₂ + 5Cl₂ + 6H₂O → 2HIO₃ + 10HCl, how many electrons are transferred per iodine atom?
I (0 in I₂) becomes +5 in HIO₃. Per I atom: 0 to +5 = 5 electrons.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Redox Titrations and Equivalent Weight and Normality