1.

Which of the follwing colloids are formed when hydrogen sulphide gas is passed through a cold solution of arsenious oxide?A. `As_(2)S_(3)`B. `As_(2)_(3)`C. `As_(2)S`D. `As_(2)H_(2)`

Answer» Correct Answer - A
It is due to adsorption of `S^(2-)` ions on the surface of the colloidal particles and `H^(+)` ions in the diffused layer.


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