One desires to prepare a positively charged sol of silver iodide. This can be achieved by

Options

A. adding small amount of `AgNO_(3)` solution to KI solution in slight excess
B. adding small amount of Kl solution to `AgNO_(3)` solution in slight excess
C. mixing equal volumes of equimolar solutions of `AgNO_(3)` and KI
D. None of these

Answer

B

Explanation

Positively charged sol of silver iodide can be achieved by adding small amount of KI solution to `AgNO_(3)` solution in slight excess.