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

Options

A. 50 mL of 0.1 M `AgNO_3` + 50 mL of 0.1 M Kl
B. 50 mL of 0.1 M `AgNO_3` + 50 mL of 0.2 M Kl
C. 50 mL of 0.2 M `AgNO_3` + 50 mL of 0.1 M Kl
D. 50 mL of 0.2 M `AgNO_3` + 50 mL of 0.2 M Kl

Answer

B