Among the following compounds the one that is polar and has central atom with sp³ hybridisation is:

The $\mathrm{OHCl}=\mathrm{O}$ structure of HClO₂ Two distinct EN groups surround the central Cl atom. thus possesses sp³ hybridization and is polar. Both BF₃ and H₂CO₃ are polar, however they are sp² hybridized. SiF₄ is non-polar, as well. Thus the option D is correct.