Chemistry - Complete s-block Question with Solution | TestHub

${\mathrm{K}}_2{\mathrm{SO}}_4\cdot {\mathrm{Al}}_2{\left({\mathrm{SO}}_4\right)}_3\cdot 24{\mathrm{H}}_2\mathrm{O}$

${\left({\mathrm{NH}}_4\right)}_2{\mathrm{SO}}_4\cdot {\mathrm{FeSO}}_4\cdot 6{\mathrm{H}}_2\mathrm{O}$

${\mathrm{K}}_2{\mathrm{SO}}_4\cdot {\mathrm{Cr}}_2{\left({\mathrm{SO}}_4\right)}_3\cdot 24{\mathrm{H}}_2\mathrm{O}$

${\mathrm{K}}_2{\mathrm{SO}}_4\cdot {\mathrm{Fe}}_2{\left({\mathrm{SO}}_4\right)}_3\cdot 24{\mathrm{H}}_2\mathrm{O}$