BITSAT 2024 Shift 1 Paper

I3−is linear with central iodine atom undergoing sp3d-hybridisation and three lone pairs occupying equatorial position.
Thus, this structure include d-orbital contribution to the hybridisation scheme.
The structure is,
PCl3 structure is sp3-hybridised with one lone pair. NO3−is sp2-hybridised and H2‌Se is sp3 - hybridised with two lone pairs of Se atom.