Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The solubility in water of sulphates down the 
group is 
. This is due to
A
High heat of solvation for smaller ions like 
B
Increasing molecular weight
C
Decreasing lattice energy
D
Increase in melting points
Text Solution
Verified by ExpertsThe correct answer is:
A
The hydration energy decreases from 
to 
. This causes the decrease in the solubilities of the sulphates in this order. In other words, the solubilities decreases with increase in the ionic size.
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