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  4. In the preparation of AgI sol, the excess of AgNO3 is added to potassium iodide solution. The particles of the sol will acquire

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Q. In the preparation of $AgI$ sol, the excess of $ AgNO_3$ is added to potassium iodide solution. The particles of the sol will acquire

Surface Chemistry

Solution:

$AgI$ colloidal panicles adsorb common ion $Ag^{+}$ from excess $AgNO_{3}$ solution and acquires positive charge