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Statement - I : Sulphateisesimated as BaSO_(4) not as MgSO_(4) Statement - I I : onic radius of Mg^(2+) is strallerthan of be^(2+) :

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SOLUTION :Sulphate isestimated as `BaSO_(4)` and as `MgSO_(4)` because `MgSO_(4)` issoluble in water and does and not form a precipitate .Theionic radius of `Mg^(2+)` issmaller thanthat of `Ba^(2+)` because on movingdown in a groupionic RADII increase


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