Which mixture of the solutions will lead to the formation of negatively charged colloidal `[Agl]^(-)` sol. ?

Options

A. 50 mL of 1 M `AgNO_3`+50 mL of 2 M KI
B. 50 mL of 2 M `AgNO_3`+50 mL of 1.5 M KI
C. 50 mL of 0.1 M `AgNO_3`+50 mL of 0.1 M KI
D. 50 mL of 1 M `AgNO_3` + 50 mL of 1.5 M KI

Answer

A