1.

Assertion (A): `BaCO_(3)` is more soluble in `HNO_(3)` than in water. Reason (R ): Carbonate is a weak base and reacts with `H^(o+)` ions to form strong acid causing barium salt to dissociate.A. If both assertion and reason are true and the reason is the correct explantion of the assertion.B. If both the assertion and reason are true and reason is not the correct explanation of assertion.C. If the assertion is true but reason is false.D. If the assertion and reason both are false.

Answer» Correct Answer - A
Barium carbonate is more soluble in `HNO_(3)` than in water. Carbonate is a weak base and rects with the `H^(+)` ion of `HNO_(3)` causing the barium salt to dissociate.
`BaCO_(3)+HNO_(3) rarr Ba(NO_(3))_(2)+CO_(2)+H_(2)O`


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