The shape of a molecule depends on which factor?

Consider the following reactions:
$(i)$ $PCl_3 + 3H_2O \to H_3PO_3 + 3HCl$
$(ii)$ $SF_4 + 3H_2O \to H_2SO_3 + 4HF$
$(iii)$ $BCl_3 + 3H_2O \to H_3BO_3 + 3HCl$
$(iv)$ $XeF_6 + 3H_2O \to XeO_3 + 6HF$
Then according to given information the incorrect statement is

The hybridization of atomic orbitals of nitrogen in $NO_2^+$,$NO_3^-$,and $NH_4^+$ are:

Select the molecule in which all the atoms may lie on a single plane.

Give examples of hybridization involving $s$,$p$,and $d$ orbitals.

What is the hybridisation of carbon $C_2$ and $C_4$ respectively in the molecule $CH_3-CH=CH-CH_3$?