How many of the following alkaline earth metal sulphates are readily soluble in water at room temper — s Block Elements Chemistry Question
Question
How many of the following alkaline earth metal sulphates are readily soluble in water at room temperature? ($BeSO_4, MgSO_4, CaSO_4, SrSO_4, BaSO_4$)
Answer: 2
💡 Solution & Explanation
Solubility of alkaline earth metal sulphates decreases down the group. $BeSO_4$ and $MgSO_4$ are readily soluble due to their very high hydration enthalpies overcoming lattice energy. $CaSO_4$ is sparingly soluble, while $SrSO_4$ and $BaSO_4$ are virtually insoluble.
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