Please explain:

On adding AgNO3 solution to KI solution,a negatively charged colloidal sol will be formed in which case?

a) 100 mL of 0.1 M AgNO3 + 100 mL of 0.1 M KI

b) 100 mL of 0.1 M AgNO3 + 50 mL of 0.2 M KI

c) 100 mL of 0.2 M AgNO3 + 100 mL of 0.1 M KI

d) 100 mL of 0.1 M AgNO3 + 100 mL of 0.15 M KI

Dear student,

The correct option is b)

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