Q.
Which of the following compound is insoluble in water?
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a
CuSO4
b
PbSO4
c
Bi2SO43
d
CdSO4
answer is B.
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Detailed Solution
The hydration energy of PbSO4 is less than lattice energy. So, it cannot soluble in water.CuSO4 , Bi2SO43Cd SO4, hydration energies are more than lattice energy.
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