The compound formed by $sp^3d$ hybridization will have which structure?

The state of hybrid orbitals of carbon in $CO_{2}$,$CH_{4}$ and $CO_{3}^{2-}$ respectively is

What type of hybridization is present in the $PCl_{5}$ molecule?

Which among the following molecules have $sp^3d$ hybridisation with one lone pair of electrons on the central atom?
$(i)\ SF_4$
$(ii)\ [PCl_4]^+$
$(iii)\ XeO_2F_2$
$(iv)\ ClOF_3$

Which of the following sets of species have the same hybridisation state but different shapes?

Among $[I_3]^{+}$,$[SiO_4]^{4-}$,$SO_2Cl_2$,$XeF_2$,$SF_4$,$ClF_3$,$Ni(CO)_4$,$XeO_2F_2$,$[PtCl_4]^{2-}$,$XeF_4$,and $SOCl_2$,the total number of species having $sp^3$ hybridised central atom is. . . . .