1.

Which mixture of the solutions will lead to the formatiin of negatively charged colloidal [AgI]I^(-) sol?

Answer»

`"50 mL of 0.1 M "AgNO_(3)+"50 mL of 0.1 M KI"`
`"50 mL of 1 M "AgNO_(3)+"50 mL of 1.5 M KI"`
`"50 mL of 1 M "AgNO_(3)+"50 mL of 2 M KI"`
`"50 mL of 2 M "AgNO_(3)+"50 mL of 1.5 M KI"`

Solution :The MOLES of KI is more in A, D then `AgNO_(3)`, so they CREATE negatively charged COLLOIDS by the adsorption of `I^(-)` IONS.


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