The hybridization of iron in [Fe(H₂O)6]2+ is:
[Fe(H₂O)6]2+ (Fe₂+, d6) is octahedral with weak field H₂O, forming a high-spin complex with outer orbitals (sp3d2).
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Bonding - Valence Bond Theory and Hybridisation