1.

Solubilities of three sparingly soluble salts XY(K_(sp)),XY_(2)(K'_(sp)) and X_(2)Y_(3)(K''_(sp)) are equal in water. What will be the correct order of their solubility products

Answer»

`K_(sp)ltK'_(sp)ltK''_(sp)`
`K_(sp)ltK''_(sp)ltK'_(sp)`
`K''_(sp)ltK'_(sp)ltK_(sp)`
`K''_(sp)ltK_(sp)ltK'_(sp)`

Solution :Since for sparingly soluble SALTS, solubility will be less then one. Therefore as the POWERS of s increases in `K_(sp)` EXPRESSION, MAGNITUDE of `K_(sp)` will BECOME smaller.


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