Assertion . Sulphur is estimated as BaSO_(4) and not as MgSO_(4). Reason. The ionic radius of Mg^(2+) is smaller than that of Ba^(2+) .

Assertion . Sulphur is estimated as BaSO_(4) and not as MgSO_(4). Rea

1.	Assertion . Sulphur is estimated as BaSO_(4) and not as MgSO_(4). Reason. The ionic radius of Mg^(2+) is smaller than that of Ba^(2+) .
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 :Correct explanation . `BaSO_(4)` is insoluble while `MgSO_(4)` is SOLUBLE in water .