Consider, PF5,BrF5,PCl3,SF6,[ICl4]−,ClF3 and IF5. Amongst the above molecule(s)/ion(s), the number of molecule(s)/ion(s) having sp3d2 hybridisation is .
why the shape of the molecules of SF6 and BrF5 different even though their hybridisation is of the type sp3d2 ? Explain.