How do you determine the type of hybridisation of the central atom Relate the molecular geometry with the type of hybridisation?

To determine the type of hybridization of the central atom, first assess the number of sigma bonds and lone pairs around it using the VSEPR (Valence Shell Electron Pair Repulsion) theory. The arrangement of these electron pairs corresponds to specific hybridization types: for example, sp hybridization corresponds to linear geometry (2 regions of electron density), sp² to trigonal planar (3 regions), and sp³ to tetrahedral (4 regions). The molecular geometry is directly influenced by the hybridization, as it dictates the spatial arrangement of bonds and lone pairs. Thus, understanding the relationship between hybridization and molecular geometry is key to predicting the shape of the molecule.