Chemistry - Complete s-block Question with Solution | TestHub

${\mathrm{Ca}}^{2+}$ and ${\mathrm{Mg}}^{2+}$ ions do not form complex with $EDT{A}^{-4}$

$\mathrm{Be}(\mathrm{OH}{)}_2$ is acidic in nature

${\mathrm{Na}}_2{\mathrm{O}}_2$ is an oxidising agent and it oxidises charcoal, $\mathrm{CO},{\mathrm{NH}}_3,{\mathrm{SO}}_2$ etc.

On heating white colour of ${\mathrm{K}}_2\mathrm{O}$ become changed into black.