What is the magnetic moment (in BM) of Fe 3+ ion? (Atomic number of Fe = 26)
Fe 3+ has 5 unpaired electrons (3d 5 ). Magnetic moment = √[5(5+2)] = 5.92 BM.
Ref: NCERT Class 12 Chemistry > Chapter 4: d and f Block Elements > Topic: Oxidation States and Colour and Magnetic Properties of d-Block