1.

Assertion. Na_(2)SO_(4) is soluble in water while NASO_(4) is insoluble. Reason. Lattice energy of NaSO_(4) exceeds its hydration energy.

Answer»

If both assertion and REASON are true, and reason is the true EXPLANATION of the assertion.
If both assertion and reason are true, but reason is not the true explanation of the assertion.
If assertion is true, but reason is false.
If both assertion and reason are false.

Solution :Both A and R are correct and R is the correct explanation of A.


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