1.

Equivalent conductance of saturated `BaSO_(4)` is 400 S `cm^(2) eq^(-1)` an d specific conductyance is 8 `xx10^(-5)S cm^(-1)`. Solubility product. `K_(sp)` of `BaSO_(4)` isA. `4xx10^(-8)`B. `1xx10^(-8)`C. `2xx10^(-4)`D. `1xx10^(-4)`

Answer» Correct Answer - B
`lambda_(m)^(0)(BaSO_(4))=2xxlambda_(eq)^(0)(BaSO_(4))`
`=2xx400=800`
`lambda_(m)^(0)(BaSO_(4))=(kxx1000)/(M)`
`M=(kxx1000)/(lambda_(m)^(0)BaSO_(4))`
`=(8xx10^(-5)xx1000)/(800)=10^(-4)`


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