On adding `AgNO_(3)` solution into KI solution, a negatively charged coll oidal sol is obtained when they are in :

Options

A. 100 ml of 0.1 M `AgNO_(3) + 100` ml of 0.1 M KI
B. 100 ml of 0.1 M `AgNO_(3)` + 100 ml of 0.2 M KI
C. 100 ml of 0.2 M `AgNO_(3) + 100` ml of 0.1 M KI
D. 100 ml of 0.15 M `AgNO_(3) + 100` ml of 0.15 M KI

Answer

B

Explanation

negative colloid is form due to excess of KI