Which mixture of the solutions will lead to the formation of negatively charged colloidal [Agl]I- sol.
1
50ml of 0.1M AgNO3 + 50mL of 0.1M KI
2
50ml of 1M AgNO3 + 50mL of 1.5M KI
3
50ml of 1M AgNO3 + 50mL of 2M KI
4
50ml of 2M AgNO3 + 50mL of 1.5M KI