Increase in hydration energy

Increase in lattice energy

Decrease in hydration energy dominating over decrease in lattice energy

Decrease in lattice energy dominating over decrease in hydration energy

${\rm{BaO}} + {\rm{ZnS}}{{\rm{O}}_4}$

${\rm{BaS}} + {\rm{ZnS}}{{\rm{O}}_4}$

${\rm{ZnS}} + {\rm{BaS}}{{\rm{O}}_4}$

${\rm{ZnO}} + {\rm{BaS}}{{\rm{O}}_4}$

$L{i_2}O$

$N{a_2}{O_2}$

$K{O_2}$

BeO

${\rm{MgC}}{{\rm{l}}_2}$

${\rm{MgO}}$

${\rm{MgC}}{{\rm{l}}_2}.2{{\rm{H}}_2}{\rm{O}}$

${\rm{MgC}}{{\rm{l}}_2}.4{{\rm{H}}_2}{\rm{O}}$

${\rm{Mg}}$

${\rm{Ca}}$

${\rm{Sr}}$

${\rm{Ba}}$

${\rm{B}}{{\rm{e}}^{2 + }} > M{{\rm{g}}^{2 + }} > C{{\rm{a}}^{2 + }} > S{{\rm{r}}^{2 + }} > B{{\rm{a}}^{2 + }}$

${\rm{B}}{{\rm{a}}^{2 + }} > B{{\rm{e}}^{2 + }} > C{{\rm{a}}^{2 + }} > M{{\rm{g}}^{2 + }} > S{{\rm{r}}^{2 + }}$

${\rm{M}}{{\rm{g}}^{2 + }} > B{{\rm{e}}^{2 + }} > B{{\rm{a}}^{2 + }} > C{{\rm{a}}^{2 + }} > S{{\rm{r}}^{2 + }}$

None of the above

One mole of ${\rm{N}}{{\rm{H}}_3}$

Two moles of ${\rm{N}}{{\rm{H}}_3}$

One mole of ${\rm{HN}}{{\rm{O}}_3}$

Three moles of ${H_2}$

${\rm{S}}{{\rm{r}}^{2 + }}$

${\rm{B}}{{\rm{a}}^{2 + }}$

${\rm{C}}{{\rm{a}}^{2 + }}$

${\rm{M}}{{\rm{g}}^{2 + }}$

${\rm{N}}{{\rm{a}}_2}{\rm{C}}{{\rm{O}}_3}$

${\rm{MgC}}{{\rm{O}}_3}$

${{\rm{K}}_2}{\rm{C}}{{\rm{O}}_3}$

${\rm{R}}{{\rm{b}}_2}{\rm{C}}{{\rm{O}}_3}$

${\rm{MgS}}{{\rm{O}}_4} \cdot 7{{\rm{H}}_2}{\rm{O}}$

${\rm{CaS}}{{\rm{O}}_4} \cdot {{\rm{H}}_2}{\rm{O}}$

${\rm{CaS}}{{\rm{O}}_4} \cdot 2{{\rm{H}}_2}{\rm{O}}$

${\rm{CaS}}{{\rm{O}}_4} \cdot 3{{\rm{H}}_2}{\rm{O}}$

Finely divided ${\rm{BaS}}{{\rm{O}}_4}$

Paste of ${\rm{Ba}}{\left( {{\rm{OH}}} \right)_2}$

Suspension of ${\rm{Ca}}{\left( {{\rm{OH}}} \right)_2}$

${\rm{MgC}}{{\rm{l}}_2} \cdot 5{\rm{MgO}} \cdot 5{{\rm{H}}_2}{\rm{O}}$