SF4 has a see-saw shape as it contains four bond pairs and one lone pair. It has
sp3d hybridisation.
C2H2 has a linear shape (sp hybridisation) as its molecular geometry is linear and all the atoms are arranged symmetrically.
Molecular geometry
HC≡CH or
C::C Whereas other molecules having following shapes and hybridisation.
-
CH4 having tetrahedral shape with
sp3 hybridisation.
-
SO3 having trigonal planar shape with
sp2 hybridisation.
-
XeF4 having square planar shape with
sp3d2 hybridisation.
-
CS2 having linear shape with sp hybridisation.
-
CCl4 having tetrahedral shape with
sp3 hybridisation.
-
CO2 with linear shape and sp hybridisation.
O=C=O