ruchi yadav
Last Activity: 11 Years ago
In Na2SO4, q1 × q2 =1 × 2. While in BaSO4, q1 × q2 =2 × 2 = 4. Since lattice energy ? q1q2, lattice
energy of BaSO4 is about twice that of Na2SO4. In Na2SO4, lattice energy is less than hydration energy, hence soluble in water.
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Ruchi
Askiitians Faculty