Question

Which mixture of the solutions will lead to the formation of negatively charged colloidal [Agl]l^– sol. ? 

(1) 50 mL of 1 M AgNO₃ + 50 mL of 1.5 M KI 

(2) 50 mL of 1 M AgNO₃ + 50 mL of 2 M KI 

(3) 50 mL of 2 M AgNO₃ + 50 mL of 1.5 M KI 

(4) 50 mL of 0.1 M AgNO₃ + 50 mL of 0.1 M KI

Comments

Surface chemistry, classification of colloids