Which one of the following reactions does not occur?

The size of $Be^{2+}$ and $Al^{3+}$ is not so close,but they show a diagonal relationship due to:

In the periodic table,metallic character of the elements shows one of the following trends:

Identify the statements which are not correct?
$(i)$ $ZnO, PbO, Sb_2O_3$ are neutral oxides.
(ii) $CO$ and $NO$ are amphoteric oxides.
(iii) $CrO_3, Mn_2O_7, V_2O_5$ are basic oxides.

Consider the following four elements,which are represented according to the long form of the periodic table. Here $W$,$Y$,and $Z$ are left,up,and right elements with respect to the element $X$,and $X$ belongs to the $16^{th}$ group and $3^{rd}$ period. Then,according to the given information,the incorrect statement regarding the given elements is:

The most electropositive element possesses the electronic configuration