A) Sodium chloride
B) Sodium sulphide
C) Magnesium chloride
D) Magnesium sulphide
Correct Answer: D
Solution :
Magnesium sulphide. Higher the lattice energy lower the solubility. Out of the four combinations possible, the lattice energy of MgS (bi-bivalent ionic solid) is higher than those of \[N{{a}_{2}}S,\,MgC{{l}_{2}}\] (uni-bivalent or biuni- valent ionic solids) and NaCI uni-univalent ionic solids) and hence, MgS is the leas soluble.You need to login to perform this action.
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