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Q.
Which of the following salts of silver is insoluble in water?
ManipalManipal 2013
Solution:
The solubility of a compound depends upon its hydration enthalpy, if hydration enthalpy exceeds the lattice enthalpy than it is soluble in water. For $ A{{g}_{2}}S{{O}_{4}}, $ hydration enthalpy is lower than lattice enthalpy. So, it is insoluble in water.