AIIMS2001Chemistry-Solubility
AIIMS 2001 Chemistry Lattice and Hydration Energy Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 11
Assertion: Na₂SO₄ is soluble in water while BaSO₄ is not.
Reason: Lattice energy of BaSO₄ exceeds its hydration energy.
A
If both A and R are true and R is the correct explanation of A.
B
If both A and R are true but R is not the correct explanation of A.
C
If A is true but R is false.
D
If A is false but R is true.
Correct Answer
Option A
Detailed Explanation
BaSO₄ is insoluble because its lattice energy is greater than its hydration energy, making it energetically unfavorable to dissolve.
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