The hybridisation of phosphorous in PO 4 3 - is

Step-by-step solution

The structure of PO 4 3 - is as follows In the given molecule, The P atom have 5 valence electrons. The hybridization can be determined by the number of sigma bonds and the number of lone pair. As phosphorous central atom forms four 4 sigma bonds and has no lone pair of electrons. It uses four hybrid orbital and thus, hybridisation of p -atom is sp 3 .