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JEE Main Chemistry question

ChemistryThe s-Block ElementsJEE Main

Not in JEE Main or NEET syllabus

The right order of the solubility of sulphates of alkaline earth metals in water is

Answer: (C)

Solution

As established for the group 2 sulphates, solubility decreases steadily down the group because hydration energy falls off faster than the near-constant lattice energy (the sulphate ion is large):

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Question ID VK-137696